Atomic Concepts Review
|
|
|
- Jonas Hill
- 9 years ago
- Views:
Transcription
1 1. Which phrase describes an atom? A) a negatively charged nucleus surrounded by positively charged protons B) a negatively charged nucleus surrounded by positively charged electrons C) a positively charged nucleus surrounded by negatively charged protons D) a positively charged nucleus surrounded by negatively charged electrons 2. Which particles have approximately the same mass? A) alpha particle and beta particle B) alpha particle and proton C) neutron and positron D) neutron and proton 3. An atom in the ground state has two electrons in its first shell and six electrons in its second shell. What is the total number of protons in the nucleus of this atom? A) 5 B) 2 C) 7 D) 8 4. The mass of a proton is approximately equal to the mass of A) an alpha particle B) a beta particle C) a positron D) a neutron 5. An ion that consists of 7 protons, 6 neutrons, and 10 electrons has a net charge of A) 4 B) 3 C) 3+ D) What is the number of electrons in an atom that has 3 protons and 4 neutrons? A) 1 B) 7 C) 3 D) 4 7. What is the number of electrons in a completely filled second shell of an atom? A) 32 B) 2 C) 18 D) 8 8. A neutron has a charge of A) +1 B) +2 C) 0 D) 1 9. Which statement describes the distribution of charge in an atom? A) A neutral nucleus is surrounded by one or more negatively charged electrons. B) A neutral nucleus is surrounded by one or more positively charged electrons. C) A positively charged nucleus is surrounded by one or more negatively charged electrons. D) A positively charged nucleus is surrounded by one or more positively charged electrons. 10. As a result of the gold foil experiment, it was concluded that an atom A) contains protons, neutrons, and electrons B) contains a small, dense nucleus C) has positrons and orbitals D) is a hard, indivisible sphere 11. Which statement about one atom of an element identifies the element? A) The atom has 1 proton. B) The atom has 2 neutrons. C) The sum of the number of protons and neutrons in the atom is 3. D) The difference between the number of neutrons and protons in the atom is Every chlorine atom has A) 7 electrons B) 17 neutrons C) a mass number of 35 D) an atomic number of What is the charge of the nucleus of an oxygen atom? A) 0 B) 2 C) +8 D) The notation for the nuclide Cs gives information about A) mass number, only B) atomic number, only C) both mass number and atomic number D) neither mass number nor atomic number
2 15. A sample of matter must be copper if A) each atom in the sample has 29 protons B) atoms in the sample react with oxygen C) the sample melts at 1768 K D) the sample can conduct electricity 16. The atomic masses and the natural abundances of the two naturally occurring isotopes of lithium are shown in the table below. Which numerical setup can be used to determine the atomic mass of lithium? A) (0.075)(6.02 u) + (0.925)(7.02 u) B) (0.925)(6.02 u) + (0.075)(7.02 u) C) (7.5)(6.02 u) + (92.5)(7.02 u) D) (92.5)(6.02 u) + (7.5)(7.02 u) 17. An orbital is defined as a region of the most probable location of A) an electron B) a neutron C) a nucleus D) a proton 18. Which atom in the ground state has an outermost electron with the most energy? A) Cs B) K C) Li D) Na 19. A bromine atom in an excited state could have an electron configuration of A) B) C) D) The bright-line spectrum of an element in the gaseous phase is produced as A) protons move from lower energy states to higher energy states B) protons move from higher energy states to lower energy states C) electrons move from lower energy states to higher energy states D) electrons move from higher energy states to lower energy states 21. What must occur when an electron in an atom returns from a higher energy state to a lower energy state? A) A specific amount of energy is released. B) A random amount of energy is released. C) The atom undergoes transmutation. D) The atom spontaneously decays. 22. An orbital of an atom is defined as the most probable location of A) an electron B) a neutron C) a positron D) a proton 23. In the electron cloud model of the atom, an orbital is defined as the most probable A) charge of an electron B) conductivity of an electron C) location of an electron D) mass of an electron 24. Which atom in the ground state has the same electron configuration as a calcium ion, Ca 2+, in the ground state? A) Ar B) K C) Mg D) Ne 25. Which electron configuration represents a selenium atom in an excited state? A) B) C) D) Which element is paired with an excited-state electron configuration for an atom of the element? A) Ca: B) Na: C) K: D) F: 2-8
3 27. In the wave-mechanical model of the atom, an orbital is the most probable location of A) a proton B) a positron C) a neutron D) an electron Base your answers to questions 28 through 31 on the information below The element boron, a trace element in Earth's crust, is found in foods produced from plants. Boron has only two naturally occurring stable isotopes, boron-10 and boron One sample of a green vegetable contains gram of boron. Determine the total number of moles of boron in this sample. 29. State, in terms of subatomic particles, one difference between the nucleus of a carbon-11 atom and the nucleus of a boron-11 atom. 30. Write an isotopic notation of the heavier isotope of the element boron. Your response must include the atomic number, the mass number, and the symbol of this isotope. 31. Compare the abundance of the two naturally occurring isotopes of boron.
4 Base your answers to questions 32 through 34 on the information below. The bright-line spectra for three elements and a mixture of elements are shown below. 32. State the total number of valence electrons in a cadmium atom in the ground state. 33. Identify all the elements in the mixture. 34. Explain, in terms of both electrons and energy, how the bright-line spectrum of an element is produced. 35. Explain, in terms of protons and neutrons, why U-235 and U-238 are different isotopes of uranium.
5 Answer Key Atomic Concepts Review revised 1. D 2. D 3. D 4. D 5. B 6. C 7. D 8. C 9. C 10. B 11. A 12. D 13. C 14. C 15. A 16. A 17. A 18. A 19. D 20. D 21. A 22. A 23. C 24. A 25. B 26. C 27. D mol or mol 29. The carbon-11 nucleus has one more proton than the nucleus of boron-11. A B-11 atom has a different number of neutrons than a C-11 atom Boron-11 is about four times more abundant than boron-10. The B-10 is less abundant lithium and strontium 34. When electrons in an excited state return to a lower energy state, specific amounts of energy are emitted. These energies are associated with specific wavelengths of light that are characteristic of the bright-line spectrum of an element. Energy is emitted when excited electrons fall back to lower shells. 35. A U-235 atom has 92 protons and 143 neutrons, and a U-238 atom has 92 protons and 146 neutrons. A U-235 atom and a U-238 atom have the same number of protons but a different number of neutrons.
Untitled Document. 1. Which of the following best describes an atom? 4. Which statement best describes the density of an atom s nucleus?
Name: Date: 1. Which of the following best describes an atom? A. protons and electrons grouped together in a random pattern B. protons and electrons grouped together in an alternating pattern C. a core
( + and - ) ( - and - ) ( + and + ) Atoms are mostly empty space. = the # of protons in the nucleus. = the # of protons in the nucleus
Atoms are mostly empty space Atomic Structure Two regions of every atom: Nucleus - is made of protons and neutrons - is small and dense Electron cloud -is a region where you might find an electron -is
9/13/2013. However, Dalton thought that an atom was just a tiny sphere with no internal parts. This is sometimes referred to as the cannonball model.
John Dalton was an English scientist who lived in the early 1800s. Dalton s atomic theory served as a model for how matter worked. The principles of Dalton s atomic theory are: 1. Elements are made of
6.7: Explaining the Periodic Table pg. 234
Unit C: Atoms, elements, and Compounds 6.7: Explaining the Periodic Table pg. 234 Key Concepts: 3. Elements are organized according to their atomic number and electron arrangement on the periodic table.
47374_04_p25-32.qxd 2/9/07 7:50 AM Page 25. 4 Atoms and Elements
47374_04_p25-32.qxd 2/9/07 7:50 AM Page 25 4 Atoms and Elements 4.1 a. Cu b. Si c. K d. N e. Fe f. Ba g. Pb h. Sr 4.2 a. O b. Li c. S d. Al e. H f. Ne g. Sn h. Au 4.3 a. carbon b. chlorine c. iodine d.
CHEM 1411 Chapter 5 Homework Answers
1 CHEM 1411 Chapter 5 Homework Answers 1. Which statement regarding the gold foil experiment is false? (a) It was performed by Rutherford and his research group early in the 20 th century. (b) Most of
Chemistry CP Unit 2 Atomic Structure and Electron Configuration. Learning Targets (Your exam at the end of Unit 2 will assess the following:)
Chemistry CP Unit 2 Atomic Structure and Electron Learning Targets (Your exam at the end of Unit 2 will assess the following:) 2. Atomic Structure and Electron 2-1. Give the one main contribution to the
Electrons in Atoms & Periodic Table Chapter 13 & 14 Assignment & Problem Set
Electrons in Atoms & Periodic Table Name Warm-Ups (Show your work for credit) Date 1. Date 2. Date 3. Date 4. Date 5. Date 6. Date 7. Date 8. Electrons in Atoms & Periodic Table 2 Study Guide: Things You
Instructors Guide: Atoms and Their Isotopes
Instructors Guide: Atoms and Their Isotopes Standards Connections Connections to NSTA Standards for Science Teacher Preparation C.3.a.1 Fundamental structures of atoms and molecules. C.3.b.27 Applications
2. John Dalton did his research work in which of the following countries? a. France b. Greece c. Russia d. England
CHAPTER 3 1. Which combination of individual and contribution is not correct? a. Antoine Lavoisier - clarified confusion over cause of burning b. John Dalton - proposed atomic theory c. Marie Curie - discovered
Atomic Structure: Chapter Problems
Atomic Structure: Chapter Problems Bohr Model Class Work 1. Describe the nuclear model of the atom. 2. Explain the problems with the nuclear model of the atom. 3. According to Niels Bohr, what does n stand
PROTONS AND ELECTRONS
reflect Imagine that you have a bowl of oranges, bananas, pineapples, berries, pears, and watermelon. How do you identify each piece of fruit? Most likely, you are familiar with the characteristics of
ATOMS A T O M S, I S O T O P E S, A N D I O N S. The Academic Support Center @ Daytona State College (Science 120, Page 1 of 39)
ATOMS A T O M S, I S O T O P E S, A N D I O N S The Academic Support Center @ Daytona State College (Science 120, Page 1 of 39) THE ATOM All elements listed on the periodic table are made up of atoms.
2 The Structure of Atoms
CHAPTER 4 2 The Structure of Atoms SECTION Atoms KEY IDEAS As you read this section, keep these questions in mind: What do atoms of the same element have in common? What are isotopes? How is an element
ANSWER KEY : BUILD AN ATOM PART I: ATOM SCREEN Build an Atom simulation ( http://phet.colorado.edu/en/simulation/build an atom )
ANSWER KEY : PART I: ATOM SCREEN Build an Atom simulation ( http://phet.colorado.edu/en/simulation/build an atom ) 1. Explore the Build an Atom simulation with your group. As you explore, talk about what
List the 3 main types of subatomic particles and indicate the mass and electrical charge of each.
Basic Chemistry Why do we study chemistry in a biology course? All living organisms are composed of chemicals. To understand life, we must understand the structure, function, and properties of the chemicals
******* KEY ******* Atomic Structure & Periodic Table Test Study Guide
Atomic Structure & Periodic Table Test Study Guide VOCABULARY: Write a brief definition of each term in the space provided. 1. Atoms: smallest unit of an element that has all of the properties of that
MODERN ATOMIC THEORY AND THE PERIODIC TABLE
CHAPTER 10 MODERN ATOMIC THEORY AND THE PERIODIC TABLE SOLUTIONS TO REVIEW QUESTIONS 1. Wavelength is defined as the distance between consecutive peaks in a wave. It is generally symbolized by the Greek
neutrons are present?
AP Chem Summer Assignment Worksheet #1 Atomic Structure 1. a) For the ion 39 K +, state how many electrons, how many protons, and how many 19 neutrons are present? b) Which of these particles has the smallest
Chapter NP-1. Nuclear Physics. Atomic Nature of Matter TABLE OF CONTENTS INTRODUCTION OBJECTIVES 1.0 PROPERTIES OF SUBSTANCES
Chapter NP-1 Nuclear Physics Atomic Nature of Matter TABLE OF CONTENTS INTRODUCTION OBJECTIVES 1.0 PROPERTIES OF SUBSTANCES 1.1 CHEMICAL AND PHYSICAL PROPERTIES 2.0 COMPOSITION OF ATOMS 2.1 ATOMIC STRUCTURE
Chapter 2 Atoms, Ions, and the Periodic Table
Chapter 2 Atoms, Ions, and the Periodic Table 2.1 (a) neutron; (b) law of conservation of mass; (c) proton; (d) main-group element; (e) relative atomic mass; (f) mass number; (g) isotope; (h) cation; (i)
Atomic Calculations. 2.1 Composition of the Atom. number of protons + number of neutrons = mass number
2.1 Composition of the Atom Atomic Calculations number of protons + number of neutrons = mass number number of neutrons = mass number - number of protons number of protons = number of electrons IF positive
Unit 3 Study Guide: Electron Configuration & The Periodic Table
Name: Teacher s Name: Class: Block: Date: Unit 3 Study Guide: Electron Configuration & The Periodic Table 1. For each of the following elements, state whether the element is radioactive, synthetic or both.
Elements, Atoms & Ions
Introductory Chemistry: A Foundation FOURTH EDITION by Steven S. Zumdahl University of Illinois Elements, Atoms & Ions Chapter 4 1 2 Elements Aims: To learn about the relative abundances of the elements,
The Advanced Placement Examination in Chemistry. Part I Multiple Choice Questions Part II Free Response Questions Selected Questions from1970 to 2010
The Advanced Placement Examination in Chemistry Part I Multiple Choice Questions Part II Free Response Questions Selected Questions from1970 to 2010 Atomic Theory and Periodicity Part I 1984 1. Which of
Name period AP chemistry Unit 2 worksheet Practice problems
Name period AP chemistry Unit 2 worksheet Practice problems 1. What are the SI units for a. Wavelength of light b. frequency of light c. speed of light Meter hertz (s -1 ) m s -1 (m/s) 2. T/F (correct
Name: Worksheet: Electron Configurations. I Heart Chemistry!
1. Which electron configuration represents an atom in an excited state? 1s 2 2s 2 2p 6 3p 1 1s 2 2s 2 2p 6 3s 2 3p 2 1s 2 2s 2 2p 6 3s 2 3p 1 1s 2 2s 2 2p 6 3s 2 Worksheet: Electron Configurations Name:
Part I: Principal Energy Levels and Sublevels
Part I: Principal Energy Levels and Sublevels As you already know, all atoms are made of subatomic particles, including protons, neutrons, and electrons. Positive protons and neutral neutrons are found
2014 Spring CHEM101 Ch1-2 Review Worksheet Modified by Dr. Cheng-Yu Lai,
Ch1 1) Which of the following underlined items is not an intensive property? A) A chemical reaction requires 3.00 g of oxygen. B) The density of helium at 25 C is 1.64 10-4 g/cm3. C) The melting point
2 ATOMIC SYSTEMATICS AND NUCLEAR STRUCTURE
2 ATOMIC SYSTEMATICS AND NUCLEAR STRUCTURE In this chapter the principles and systematics of atomic and nuclear physics are summarised briefly, in order to introduce the existence and characteristics of
Unit 1 Practice Test. Matching
Unit 1 Practice Test Matching Match each item with the correct statement below. a. proton d. electron b. nucleus e. neutron c. atom 1. the smallest particle of an element that retains the properties of
B) atomic number C) both the solid and the liquid phase D) Au C) Sn, Si, C A) metal C) O, S, Se C) In D) tin D) methane D) bismuth B) Group 2 metal
1. The elements on the Periodic Table are arranged in order of increasing A) atomic mass B) atomic number C) molar mass D) oxidation number 2. Which list of elements consists of a metal, a metalloid, and
Chapter Five: Atomic Theory and Structure
Chapter Five: Atomic Theory and Structure Evolution of Atomic Theory The ancient Greek scientist Democritus is often credited with developing the idea of the atom Democritus proposed that matter was, on
UNIT (2) ATOMS AND ELEMENTS
UNIT (2) ATOMS AND ELEMENTS 2.1 Elements An element is a fundamental substance that cannot be broken down by chemical means into simpler substances. Each element is represented by an abbreviation called
Objectives. PAM1014 Introduction to Radiation Physics. Constituents of Atoms. Atoms. Atoms. Atoms. Basic Atomic Theory
PAM1014 Introduction to Radiation Physics Basic Atomic Theory Objectives Introduce and Molecules The periodic Table Electronic Energy Levels Atomic excitation & de-excitation Ionisation Molecules Constituents
IONISATION ENERGY CONTENTS
IONISATION ENERGY IONISATION ENERGY CONTENTS What is Ionisation Energy? Definition of t Ionisation Energy What affects Ionisation Energy? General variation across periods Variation down groups Variation
For convenience, we may consider an atom in two parts: the nucleus and the electrons.
Atomic structure A. Introduction: In 1808, an English scientist called John Dalton proposed an atomic theory based on experimental findings. (1) Elements are made of extremely small particles called atoms.
The Structure of the Atom
The Structure of the Atom Copyright Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. Section 4. Early Ideas About Matter pages 02 05 Section 4. Assessment page 05. Contrast the methods
IONISATION ENERGY CONTENTS
IONISATION ENERGY IONISATION ENERGY CONTENTS What is Ionisation Energy? Definition of t Ionisation Energy What affects Ionisation Energy? General variation across periods Variation down groups Variation
19.1 Bonding and Molecules
Most of the matter around you and inside of you is in the form of compounds. For example, your body is about 80 percent water. You learned in the last unit that water, H 2 O, is made up of hydrogen and
Chapter 5 TEST: The Periodic Table name
Chapter 5 TEST: The Periodic Table name HPS # date: Multiple Choice Identify the choice that best completes the statement or answers the question. 1. The order of elements in the periodic table is based
NOTES ON The Structure of the Atom
NOTES ON The Structure of the Atom Chemistry is the study of matter and its properties. Those properties can be explained by examining the atoms that compose the matter. An atom is the smallest particle
Atomic Structure Chapter 5 Assignment & Problem Set
Atomic Structure Name Warm-Ups (Show your work for credit) Date 1. Date 2. Date 3. Date 4. Date 5. Date 6. Date 7. Date 8. Atomic Structure 2 Study Guide: Things You Must Know Vocabulary (know the definition
APS Science Curriculum Unit Planner
APS Science Curriculum Unit Planner Grade Level/Subject Chemistry Stage 1: Desired Results Enduring Understanding Topic 1: Elements and the Periodic Table: The placement of elements on the periodic table
Objectives 404 CHAPTER 9 RADIATION
Objectives Explain the difference between isotopes of the same element. Describe the force that holds nucleons together. Explain the relationship between mass and energy according to Einstein s theory
F321 THE STRUCTURE OF ATOMS. ATOMS Atoms consist of a number of fundamental particles, the most important are... in the nucleus of an atom
Atomic Structure F32 TE STRUCTURE OF ATOMS ATOMS Atoms consist of a number of fundamental particles, the most important are... Mass / kg Charge / C Relative mass Relative Charge PROTON NEUTRON ELECTRON
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.
Introduction to Chemistry Exam 2 Practice Problems 1 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1.Atoms consist principally of what three
Trends of the Periodic Table Diary
Trends of the Periodic Table Diary Trends are patterns of behaviors that atoms on the periodic table of elements follow. Trends hold true most of the time, but there are exceptions, or blips, where the
Periodic Table. 1. In the modern Periodic Table, the elements are arranged in order of increasing. A. atomic number B. mass number
Name: ate: 1. In the modern, the elements are arranged in order of increasing. atomic number. mass number. oxidation number. valence number 5. s the elements in Group I are considered in order of increasing
Chem term # 1 review sheet C. 12 A. 1
hem term # 1 review sheet Name: ate: 1. n isotope of which element has an atomic number of 6 and a mass number of 14?. carbon. magnesium. nitrogen. silicon 6. Which atoms represent different isotopes of
Level 3 Achievement Scale
Unit 1: Atoms Level 3 Achievement Scale Can state the key results of the experiments associated with Dalton, Rutherford, Thomson, Chadwick, and Bohr and what this lead each to conclude. Can explain that
Atoms and Elements. Outline Atoms Orbitals and Energy Levels Periodic Properties Homework
Atoms and the Periodic Table The very hot early universe was a plasma with cationic nuclei separated from negatively charged electrons. Plasmas exist today where the energy of the particles is very high,
SCPS Chemistry Worksheet Periodicity A. Periodic table 1. Which are metals? Circle your answers: C, Na, F, Cs, Ba, Ni
SCPS Chemistry Worksheet Periodicity A. Periodic table 1. Which are metals? Circle your answers: C, Na, F, Cs, Ba, Ni Which metal in the list above has the most metallic character? Explain. Cesium as the
Elements in the periodic table are indicated by SYMBOLS. To the left of the symbol we find the atomic mass (A) at the upper corner, and the atomic num
. ATOMIC STRUCTURE FUNDAMENTALS LEARNING OBJECTIVES To review the basics concepts of atomic structure that have direct relevance to the fundamental concepts of organic chemistry. This material is essential
Regents Review Atom & PT Part 2 Worksheet Mr. Beauchamp
Regents Review Atom & PT Part 2 Worksheet Mr. Beauchamp Base your answers to questions 1 through 3 on the information below. The accepted values for the atomic mass and percent natural abundance of each
3 Atomic Structure 15
3 Atomic Structure 15 3.1 Atoms You need to be familiar with the terms in italics The diameter of the nucleus is approximately 10-15 m and an atom 10-10 m. All matter consists of atoms. An atom can be
Main properties of atoms and nucleus
Main properties of atoms and nucleus. Atom Structure.... Structure of Nuclei... 3. Definition of Isotopes... 4. Energy Characteristics of Nuclei... 5. Laws of Radioactive Nuclei Transformation... 3. Atom
Noble Gases. Outline Nobel Gas Elements Radon and Health Chemistry Homework
Radon and Other Noble Gases The elements in the last column of the periodic table are all very stable, mono-atomic gases. Until 1962, they were called inert gases because they did not react with other
Chapter 2 The Chemical Context of Life
Chapter 2 The Chemical Context of Life Multiple-Choice Questions 1) About 25 of the 92 natural elements are known to be essential to life. Which four of these 25 elements make up approximately 96% of living
Chapter 2 Atoms, Molecules, and Ions
Chapter 2 Atoms, Molecules, and Ions 1. Methane and ethane are both made up of carbon and hydrogen. In methane, there are 12.0 g of carbon for every 4.00 g of hydrogen, a ration of 3:1 by mass. In ethane,
About the course GENERAL CHEMISTRY. Recommended literature: Chemistry: science of the matter. Responsible for the course: Dr.
About the course GENERAL CHEMISTRY University of Pécs Medical School Academic year 2009-2010. Responsible for the course: Dr. Attila AGÓCS Optional course for 2 credit points. To have grade at the and
Basics of Nuclear Physics and Fission
Basics of Nuclear Physics and Fission A basic background in nuclear physics for those who want to start at the beginning. Some of the terms used in this factsheet can be found in IEER s on-line glossary.
EARLY ATOMIC THEORY AND STRUCTURE
CHAPTER 5 EARLY ATOMIC THEORY AND STRUCTURE SOLUTIONS TO REVIEW QUESTIONS 1. Elements are composed of indivisable particles called atoms. Atoms of the same element have the same properties; atoms of different
4.1 Studying Atom. Early evidence used to develop models of atoms.
4.1 Studying Atom Early evidence used to develop models of atoms. Democritus said that all matter consisted of extremely small particles that could NOT be divided called these particles atoms from the
EXPERIMENT 4 The Periodic Table - Atoms and Elements
EXPERIMENT 4 The Periodic Table - Atoms and Elements INTRODUCTION Primary substances, called elements, build all the materials around you. There are more than 109 different elements known today. The elements
Periodic Table Questions
Periodic Table Questions 1. The elements characterized as nonmetals are located in the periodic table at the (1) far left; (2) bottom; (3) center; (4) top right. 2. An element that is a liquid at STP is
Atomic Theory Part 1
Atomic Theory Part 1 Reading: Ch 2 sections 1 6, 8 Homework: Chapter 2: 39, 47, 43, 49, 51*, 53, 55, 57, 71, 73, 77, 99, 103 (optional) * = important homework question The Atomic Theory (John Dalton, 1803)
ATOMS AND THE PERIODIC TABLE CHAPTER 3 PHYSICAL SCIENCE
ATOMS AND THE PERIODIC TABLE CHAPTER 3 PHYSICAL SCIENCE Chapter 3 Vocabulary Words (27 words) Nucleus Atomic number Proton Mass number Neutron Isotopes Electron Atomic mass unit (amu) Energy level Average
Ch. 9 - Electron Organization. The Bohr Model [9.4] Orbitals [9.5, 9.6] Counting Electrons, configurations [9.7]
![Ch. 9 - Electron Organization. The Bohr Model [9.4] Orbitals [9.5, 9.6] Counting Electrons, configurations [9.7]](/thumbs/27/11797291.jpg "Ch. 9 - Electron Organization. The Bohr Model [9.4] Orbitals [9.5, 9.6] Counting Electrons, configurations [9.7]")
Ch. 9 - Electron Organization The Bohr Model [9.4] Orbitals [9.5, 9.6] Counting Electrons, configurations [9.7] Predicting ion charges from electron configurations. CHEM 100 F07 1 Organization of Electrons
Atoms and Molecules. Preparation. Objectives. Standards. Materials. Grade Level: 5-8 Group Size: 20-30 Time: 60 90 Minutes Presenters: 2-4
Atoms and Molecules Preparation Grade Level: 5-8 Group Size: 20-30 Time: 60 90 Minutes Presenters: 2-4 Objectives This lesson will enable students to: Describe how atoms are the building blocks of matter
PERIODIC TABLE OF GROUPS OF ELEMENTS Elements can be classified using two different schemes.
1 PERIODIC TABLE OF GROUPS OF ELEMENTS Elements can be classified using two different schemes. Metal Nonmetal Scheme (based on physical properties) Metals - most elements are metals - elements on left
Electron Configuration Worksheet (and Lots More!!)
Electron Configuration Worksheet (and Lots More!!) Brief Instructions An electron configuration is a method of indicating the arrangement of electrons about a nucleus. A typical electron configuration
Nuclear Structure. particle relative charge relative mass proton +1 1 atomic mass unit neutron 0 1 atomic mass unit electron -1 negligible mass
Protons, neutrons and electrons Nuclear Structure particle relative charge relative mass proton 1 1 atomic mass unit neutron 0 1 atomic mass unit electron -1 negligible mass Protons and neutrons make up
Trends of the Periodic Table Basics
Trends of the Periodic Table Basics Trends are patterns of behaviors that atoms on the periodic table of elements follow. Trends hold true most of the time, but there are exceptions, or blips, where the
3. What would you predict for the intensity and binding energy for the 3p orbital for that of sulfur?
PSI AP Chemistry Periodic Trends MC Review Name Periodic Law and the Quantum Model Use the PES spectrum of Phosphorus below to answer questions 1-3. 1. Which peak corresponds to the 1s orbital? (A) 1.06
Chapter 7. Electron Structure of the Atom. Chapter 7 Topics
Chapter 7 Electron Structure of the Atom Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 1 Chapter 7 Topics 1. Electromagnetic radiation 2. The Bohr model of
SCH 3UI Unit 2 Outline Up to Quiz #1 Atomic Theory and the Periodic Table
Lesson Topics Covered SCH 3UI Unit 2 Outline Up to Quiz #1 Atomic Theory and the Periodic Table 1 Note: History of Atomic Theory progression of understanding of composition of matter; ancient Greeks and
Lewis Dot Structures of Atoms and Ions
Why? The chemical properties of an element are based on the number of electrons in the outer shell of its atoms. We use Lewis dot structures to map these valence electrons in order to identify stable electron
CHAPTER 4: ATOMS AND ELEMENTS
CHAPTER 4: ATOMS AND ELEMENTS Problems: 1-70 then after Chapter 9, complete 71-94, 103-104, 107-108, 113-114 4.1 Experiencing Atoms at Tiburon atom: smallest identifiable unit of an element All matter
Electrons In Atoms Mr. O Brien (SFHS) Chapter 5 Standard 1D
Electrons In Atoms Mr. O Brien (SFHS) Chapter 5 Standard 1D Electrons in Atoms (std.1d) What are Bohr Models? planetary model in which the negatively-charged electrons orbit a small, positively-charged
Name Block Date Ch 17 Atomic Nature of Matter Notes Mrs. Peck. atoms- the smallest particle of an element that can be identified with that element
Name Block Date Ch 17 Atomic Nature of Matter Notes Mrs. Peck atoms- the smallest particle of an element that can be identified with that element are the building blocks of matter consists of protons and
Element of same atomic number, but different atomic mass o Example: Hydrogen
Atomic mass: p + = protons; e - = electrons; n 0 = neutrons p + + n 0 = atomic mass o For carbon-12, 6p + + 6n 0 = atomic mass of 12.0 o For chlorine-35, 17p + + 18n 0 = atomic mass of 35.0 atomic mass
Models of the Atom and periodic Trends Exam Study Guide
Name 1. What is the term for the weighted average mass of all the naturally occurring isotopes of an element? ans: atomic mass 2. Which is exactly equal to 1/12 the mass of a carbon -12 atom? ans: atomic
Test Bank - Chapter 4 Multiple Choice
Test Bank - Chapter 4 The questions in the test bank cover the concepts from the lessons in Chapter 4. Select questions from any of the categories that match the content you covered with students. The
Answers to Review Questions for Atomic Theory Quiz #1
Answers to Review Questions for Atomic Theory Quiz #1 Multiple Choice Questions: 1. c 7. a 13. c 19. a 25. b 31. b 37. a 43. d 2. d 8. c 14. c 20. c 26. d 32. c 38. d 44. b 3. b 9. a 15. b 21. c 27. b
Bonding Practice Problems
NAME 1. When compared to H 2 S, H 2 O has a higher 8. Given the Lewis electron-dot diagram: boiling point because H 2 O contains stronger metallic bonds covalent bonds ionic bonds hydrogen bonds 2. Which
Unit 2 Atomic Structure
Unit 2 Atomic Structure Big Idea: Atomic structure explains patterns in the behavior of elements and allows us to predict the chemical and physical behavior of a given element. The organization of elements
7.4. Using the Bohr Theory KNOW? Using the Bohr Theory to Describe Atoms and Ions
7.4 Using the Bohr Theory LEARNING TIP Models such as Figures 1 to 4, on pages 218 and 219, help you visualize scientific explanations. As you examine Figures 1 to 4, look back and forth between the diagrams
18.2 Comparing Atoms. Atomic number. Chapter 18
As you know, some substances are made up of only one kind of atom and these substances are called elements. You already know something about a number of elements you ve heard of hydrogen, helium, silver,
Structure and Properties of Atoms
PS-2.1 Compare the subatomic particles (protons, neutrons, electrons) of an atom with regard to mass, location, and charge, and explain how these particles affect the properties of an atom (including identity,
Atoms, Elements, and the Periodic Table (Chapter 2)
Atoms, Elements, and the Periodic Table (Chapter 2) Atomic Structure 1. Historical View - Dalton's Atomic Theory Based on empirical observations, formulated as Laws of: Conservation of Mass Definite Proportions
FOR TEACHERS ONLY The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION
PS C FOR TEACERS ONLY The University of the State of New York REGENTS IG SCOOL EXAMINATION PYSICAL SETTING/CEMISTRY Wednesday, June, 0 :5 to :5 p.m., only SCORING KEY AND RATING GUIDE Directions to the
The University of the State of New York REGENTS HIGH SCHOOL EXAMINATION PHYSICAL SETTING CHEMISTRY
PS/CEMISTRY The University of the State of New York REGENTS IG SCOOL EXAMINATION PYSICAL SETTING CEMISTRY Wednesday, August 18, 2010 12:30 to 3:30 p.m., only This is a test of your knowledge of chemistry.
Write an equation, including state symbols, for the ionisation of indium that requires the minimum energy.(1)
MINI MOCK Questions Unit 1 Atomic Structure AS Chemistry Q1. Indium is in Group 3 in the Periodic Table and exists as a mixture of the isotopes 113 In and 115 In. (a) Use your understanding of the Periodic
Chapter 2: The Chemical Context of Life
Chapter 2: The Chemical Context of Life Name Period This chapter covers the basics that you may have learned in your chemistry class. Whether your teacher goes over this chapter, or assigns it for you
Electron Arrangements
Section 3.4 Electron Arrangements Objectives Express the arrangement of electrons in atoms using electron configurations and Lewis valence electron dot structures New Vocabulary Heisenberg uncertainty
Department of Physics and Geology The Elements and the Periodic Table
Department of Physics and Geology The Elements and the Periodic Table Physical Science 1422 Equipment Needed Qty Periodic Table 1 Part 1: Background In 1869 a Russian chemistry professor named Dmitri Mendeleev
3 CHEMICAL FOUNDATIONS: ELEMENTS, ATOMS AND IONS
3 CHEMICAL FOUNDATIONS: ELEMENTS, ATOMS AND IONS All matter is built up from chemical combinations of elements. As of 2003, there are 114 known elements, of which 88 are naturally occurring; the remaining
Atoms and Elements. Atoms: Learning Goals. Chapter 3. Atoms and Elements; Isotopes and Ions; Minerals and Rocks. Clicker 1. Chemistry Background?
Chapter 3 Atoms Atoms and Elements; Isotopes and Ions; Minerals and Rocks A Review of Chemistry: What geochemistry tells us Clicker 1 Chemistry Background? A. No HS or College Chemistry B. High School