PSN Chapter 15 Multi-format Test
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1 Name: Class: Date: ID: A PSN Chapter 5 Multi-format Test Modified True/False Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.. When chemical bonds form, energy is absorbed. _. The electrons that are involved in the chemical bonding are called oxidation electrons. _. The type of chemical bond formed by the sharing of electrons is the ionic bond. _. The most stable number of valence electrons an element in the third period may possess is 8 electrons. _ 5. Covalent bonds are more likely to form between two atoms when the separation between them on the periodic table is small. _. Strong electron donors are found on the left side of the periodic table. _ Completion Complete each statement. Select the correct term to complete each sentence. There are extra terms in the list. bond oxidation mixture atom covalent bond molecule formula ion element 7. Any substance containing two or more elements that are not chemically bonded together can be called a. 8. When atoms transfer or share electrons they form a chemical. 9. A group of atoms that forms a compound held together by covalent bonds is called a. 0. The number and type of each element in a compound is given by the chemical.. When an atom gains or loses one or more electrons, it becomes a particle called an.. The number indicating the charge on an atom when an electron is lost, gained, or shared is called the number. Short Answer. What two factors determine the properties of a compound?
2 Name: ID: A. List examples of a compound and examples of a mixture. Compound Mixture a. b. c. 5. Which type of bond will NOT form molecules: ionic or covalent? The Periodic Table of the Elements 8 H Hydrogen He Helium.0 Li Lithium.9 Be Beryllium B Boron 0.8 C Carbon.0 7 N Nitrogen.0 8 O Oxygen.0 9 F Fluorine Ne Neon 0. Na Sodium.0 Mg Magnesium Al Aluminum 7.0 Si Silicon 8. 5 P Phosphorus.0 S Sulfur. 7 Cl Chlorine Ar Argon K Potassium 9. 0 Ca Calcium 0. Sc Scandium 5.0 Ti Titanium 7.9 V Vanadium 50.9 Cr Chromium Mn Manganese 5.9 Fe Iron Co Cobalt Ni Nickel Cu Copper.5 0 Zn Zinc 5. Ga Gallium 9.7 Ge Germanium 7. As Arsenic 7.9 Se Selenium Br Bromine 79.9 Kr Krypton Rb Rubidium Sr Strontium Y Yttrium Zr Zirconium 9. Nb Niobium 9.9 Mo Molybdenum 95.9 Tc Technetium (97.9) Ru Ruthenium 0. 5 Rh Rhodium 0.9 Pd Palladium 0. 7 Ag Silver Cd Cadmium. 9 In Indium.8 50 Sn Tin Sb Antimony.8 5 Te Tellurium 7. 5 I Iodine.9 5 Xe Xenon. 55 Cs Cesium.9 5 Ba Barium La Lanthanum Hf Hafnium Ta Tantalum W Tungsten Re Rhenium 8. 7 Os Osmium Ir Iridium Pt Platinum Au Gold Hg Mercury Tl Thallium 0. 8 Pb Lead Bi Bismuth Po Polonium (09.0) 85 At Astatine (0.0) 8 Rn Radon (.0) 7 87 Fr Francium (.0) 88 Ra Radium (.0) 89 Ac Actinium (7.0) 0 Rf Rutherfordium (.) 05 Db Dubnium 0 Sg Seaborgium (.) 07 Bh Bohrium 08 Hs Hassium (5) 09 Mt Meitnerium () 0 Uun Ununnilium (7) Uuu Unununium (7) Uub Ununbium (77) Uuq Ununquadium (85) Uuh Ununhexium (89) 8 Uuo Ununoctium (9) 58 Ce Cerium Pr Praseodymium Nd Neodymium. Pm Promethium (.9) Sm Samarium 50. Eu Europium 5.0 Gd Gadolinium Tb Terbium 58.9 Dy Dysprosium.5 7 Ho Holmium.9 8 Er Erbium 7. 9 Tm Thulium Yb Ytterbium Lu Lutetium Th Thorium.0 9 Pa Protactinium.0 9 U Uranium Np Neptunium (7.0) 9 Pu Plutonium. 95 Am Americium (.) 9 Cm Curium (7.) 97 Bk Berkelium (7.) 98 Cf Californium (5.) 99 Es Einsteinium (5.) 00 Fm Fermium (57.) 0 Md Mendelevium (58.) 0 No Nobelium (59.) 0 Lr Lawrencium. What are the numbers of the two most active groups of elements on the periodic table? 7. What is the oxidation number of manganese (Mn) in the compound, MnO, if oxygen (O) has an oxidation number of -? 8. Barium has an oxidation number of + and oxygen has an oxidation of -. a. What is the chemical formula for barium oxide? b. What is the total charge for barium oxide? 9. What is the formula for mercury bromide? Mercury (Hg) has an oxidation number of + and bromine (Br) has an oxidation number of -.
3 Name: ID: A Problem 0. Calcium chloride is sometimes used to absorb water in damp areas like basements. When a molecule of calcium chloride absorbs molecules of water, it is called calcium chloride trihydrate and its chemical formula is: CaCl H O Name each element and how many atoms of each element are in calcium chloride trihydrate.. An oxygen atom is represented below. The small dark circles represent electrons surrounding the nucleus. What is the number of valence electrons in the oxygen atom?. Draw a Lewis dot diagram to represent an atom of silicon.. If an iron atom loses electrons, what is the oxidation number for the ion that is formed?. Draw a Lewis dot diagram to represent the compound formed when calcium atoms (Ca) bond with fluoride atoms (F) to form calcium fluoride. Essay 5. What is the difference between an element and a compound? Give an example of each.. For each of the formulas below, name each element and how many atoms of each element are in that molecule. a. Potassium hydroxide KOH b. Calcium nitrate Ca(NO ) c. Lead nitrate Pb(NO ) d. Nitroglycerin C H 5 (NO ) e. Hydronium ion H O + 7. Explain the difference between fluorine's oxidation number ( - ) and its number of valence electrons (7). 8. What determines whether atoms will form covalent or ionic bonds?
4 Name: ID: A 9. The neon atom pictured below does not bond with other atoms frequently. Why? The Periodic Table of the Elements 8 H Hydrogen He Helium.0 Li Lithium.9 Be Beryllium B Boron 0.8 C Carbon.0 7 N Nitrogen.0 8 O Oxygen.0 9 F Fluorine Ne Neon 0. Na Sodium.0 Mg Magnesium Al Aluminum 7.0 Si Silicon 8. 5 P Phosphorus.0 S Sulfur. 7 Cl Chlorine Ar Argon K Potassium 9. 0 Ca Calcium 0. Sc Scandium 5.0 Ti Titanium 7.9 V Vanadium 50.9 Cr Chromium Mn Manganese 5.9 Fe Iron Co Cobalt Ni Nickel Cu Copper.5 0 Zn Zinc 5. Ga Gallium 9.7 Ge Germanium 7. As Arsenic 7.9 Se Selenium Br Bromine 79.9 Kr Krypton Rb Rubidium Sr Strontium Y Yttrium Zr Zirconium 9. Nb Niobium 9.9 Mo Molybdenum 95.9 Tc Technetium (97.9) Ru Ruthenium 0. 5 Rh Rhodium 0.9 Pd Palladium 0. 7 Ag Silver Cd Cadmium. 9 In Indium.8 50 Sn Tin Sb Antimony.8 5 Te Tellurium 7. 5 I Iodine.9 5 Xe Xenon. 55 Cs Cesium.9 5 Ba Barium La Lanthanum Hf Hafnium Ta Tantalum W Tungsten Re Rhenium 8. 7 Os Osmium Ir Iridium Pt Platinum Au Gold Hg Mercury Tl Thallium 0. 8 Pb Lead Bi Bismuth Po Polonium (09.0) 85 At Astatine (0.0) 8 Rn Radon (.0) 7 87 Fr Francium (.0) 88 Ra Radium (.0) 89 Ac Actinium (7.0) 0 Rf Rutherfordium (.) 05 Db Dubnium 0 Sg Seaborgium (.) 07 Bh Bohrium 08 Hs Hassium (5) 09 Mt Meitnerium () 0 Uun Ununnilium (7) Uuu Unununium (7) Uub Ununbium (77) Uuq Ununquadium (85) Uuh Ununhexium (89) 8 Uuo Ununoctium (9) 58 Ce Cerium Pr Praseodymium Nd Neodymium. Pm Promethium (.9) Sm Samarium 50. Eu Europium 5.0 Gd Gadolinium Tb Terbium 58.9 Dy Dysprosium.5 7 Ho Holmium.9 8 Er Erbium 7. 9 Tm Thulium Yb Ytterbium Lu Lutetium Th Thorium.0 9 Pa Protactinium.0 9 U Uranium Np Neptunium (7.0) 9 Pu Plutonium. 95 Am Americium (.) 9 Cm Curium (7.) 97 Bk Berkelium (7.) 98 Cf Californium (5.) 99 Es Einsteinium (5.) 00 Fm Fermium (57.) 0 Md Mendelevium (58.) 0 No Nobelium (59.) 0 Lr Lawrencium 0. What does the placement of an element on the periodic table have to do with the following? a. oxidation numbers b. valence electrons c. the formation of chemical bonds with other elements.
5 ID: A PSN Chapter 5 Multi-format Test Answer Section MODIFIED TRUE/FALSE. ANS: F, released. ANS: F, valance DIF: basic REF: section 5. STA: S8Pa. ANS: F, covalent DIF: basic REF: section 5. STA: S8Pa. ANS: F, 8 DIF: basic REF: section 5. STA: S8Pf 5. ANS: T DIF: intermediate REF: section 5. STA: S8Pa. ANS: T DIF: intermediate REF: section 5. STA: S8Pf COMPLETION 7. ANS: mixture DIF: basic REF: section 5. STA: S8Pb 8. ANS: bond 9. ANS: molecule 0. ANS: formula. ANS: ion. ANS: oxidation DIF: basic REF: section 5. STA: S8Pa
6 ID: A SHORT ANSWER. ANS: The chemical formula and the structure of the molecule.. ANS: Answers will vary but could include the following: Compound Mixture a. water orange soda b. table salt salt and pepper stirred together c. carbon dioxide air DIF: intermediate REF: section 5. STA: S8Pb 5. ANS: ionic bond DIF: intermediate REF: section 5. STA: S8Pa. ANS: Groups and 7. DIF: intermediate REF: section 5. STA: S8Pf 7. ANS: + 8. ANS: a. BaO b. zero 9. ANS: HgBr PROBLEM 0. ANS: calcium - atom chlorine - atoms hydrogen - atoms oxygen - atoms DIF: intermediate REF: section 5. STA: S8Pf
7 ID: A. ANS: DIF: intermediate REF: section 5. STA: S8Pa. ANS:. ANS: +. ANS: DIF: advanced REF: section 5. STA: S8Pa ESSAY 5. ANS: An element is a substance that consists of only one type of matter. A compound is a substance made up of two or more elements that cannot be separated by physical means. Iron is an example of an element. Iron oxide, or rust, is an example of a compound.. ANS: a. -potassium; -oxygen; -hydrogen b. -calcium; -nitrogen; -oxygen c. -lead; -nitrogen; -oxygen d. -carbon; 5-hydrogen; -nitrogen; 9-oxygen e. -hydrogen; -oxygen DIF: intermediate REF: section 5. STA: S8Pf 7. ANS: Fluorine contains seven valence electrons. It needs one more electron to complete its octet. The oxidation number indicates fluorine will gain or share one electron when it combines with another atom to become a more stable compound.
8 ID: A 8. ANS: Atoms which have a strong tendency to accept or lose electrons are more likely to form ionic bonds. Atoms which more nearly similar and are, therefore, located near one another on the periodic table are more likely to form covalent bonds. 9. ANS: Chemical bonds are formed only between the electrons in the highest unfilled energy level. The highest energy level for a neon atom is filled, containing eight valence electrons in its outermost level. 0. ANS: a. The groups of the periodic table help you predict the oxidation numbers of the elements. For example, all of the elements in group have an oxidation number of +. b. The groups of the periodic table tell you how many valence electrons each element has. For example, elements in group have valence electrons. As you move to the right, the number of valence electrons increases (the elements in groups through are an exception). Elements in group 8, the last column, have a full octet, or 8 valence electrons. c. The periodic table can help you predict which elements will bond with which other elements. For example, elements in groups through usually have positive oxidation numbers and will bond with elements from groups 5 through 7. Elements in group 8 do not form chemical bonds at all. DIF: advanced REF: section 5. STA: S8Pf
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