Unit 7 Review. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.
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1 Name: Class: Date: ID: A Unit 7 Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1) In which set of elements would all members be expected to have very similar chemical properties? A) O, S, Se B) N, O, F C) Na, Mg, K D) S, Se, Si E) Ne, Na, Mg 2) The effective nuclear charge of an atom is primarily affected by. A) inner electrons B) outer electrons C) nuclear charge D) electron distribution E) orbital radial probability 3) Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar? A) Mg > Na > P > Si > Ar B) Ar > Si > P > Na > Mg C) Si > P > Ar > Na > Mg D) Na > Mg > Si > P > Ar E) Ar > P > Si > Mg > Na 4) Which of the following correctly represents the second ionization of aluminum? A) Al + (g) + e Al (g) B) Al (g) Al + (g) + e C) Al (g) + e Al 2 (g) D) Al + (g) + e Al 2 + (g) E) Al + (g) Al 2 + (g) + e 5) The list that correctly indicates the order of metallic character is. A) Sr > Ca > Mg B) F > Cl > Br C) C > Ge > Si D) Li > Na > K E) O > Se > S 6) The acidity of carbonated water is due to the. A) presence of sulfur B) reaction of CO 2 and H 2 O C) addition of acid D) nonmetal oxides E) none of the above 1
2 Name: ID: A 7) Between which two elements is the difference in metallic character the greatest? A) Rb and O B) O and I C) Rb and I D) Li and O E) Li and Rb 8) The alkali metal that is naturally radioactive is. A) rubidium B) cesium C) lithium D) francium E) sodium 9) Which element is solid at room temperature? A) Cl 2 B) F 2 C) Br 2 D) I 2 E) H 2 10) The noble gases were, until relatively recently, thought to be entirely unreactive. Experiments in the early 1960s showed that Xe could, in fact, form compounds with fluorine. The formation of compounds consisting of Xe is made possible by. A) the availability of xenon atoms B) xenon's noble gas electron configuration C) the stability of xenon atoms D) xenon's relatively low ionization energy E) xenon's relatively low electron affinity 11) Astatine has a(n) density and a(n) atomic radius compared to iodine. A) greater; greater B) smaller; greater C) smaller; smaller D) greater; smaller E) equal; equal 12) An electron in a subshell experiences the greatest effective nuclear charge in a many-electron atom. A) 3f B) 3p C) 3d D) 3s E) 4s 13) Metals can be at room temperature. A) liquid only B) solid only C) solid or liquid D) solid, liquid, or gas E) liquid or gas 2
3 Name: ID: A 14) The element(s) could be used to produce a red or crimson color in fireworks. A) Mg or Ba B) Sr C) Ca, Sr, or Li D) Ba E) Na or K 15) The most common sulfur ion has a charge of. A) 2 B) 1 C) 4+ D) 6+ E) Sulfur does not form ions. 16) The only noble gas that does not have the ns 2 np 6 valence electron configuration is. A) radon B) neon C) helium D) krypton E) All noble gases have the ns2np6 valence electron configuration. 17) Of the halogens, which are gases at room temperature and atmospheric pressure? A) fluorine, bromine, and iodine B) fluorine, chlorine, and bromine C) fluorine, chlorine, bromine, and iodine D) fluorine, chlorine, and iodine E) fluorine and chlorine 18) is isoelectronic with krypton. A) Se 2 B) Se 3 C) Br D) Se 2+ E) Te 2 19) Which one of the following atoms has the largest radius? A) In B) Sn C) Sb D) Te E) I 20) The ion with the smallest diameter is. A) Li + B) Na + C) K + D) Rb + E) Cs + 3
4 Name: ID: A 21) Of the elements below, is the most metallic. A) Sn B) P C) Br D) Rn E) As 22) All of the following are ionic compounds except. A) CH 4 B) K 2 O C) Be(OH) 2 D) NiCl 2 E) Sr 3 N 2 Short Answer 1) The degree of interaction between two electrical charges depends on the and the of the charges and the distance between them. 2) As successive electrons are removed from an element, the ionization energy. 3) Which noble gas has the highest first ionization energy? 4) When electrons are removed from a lithium atom, they are removed first from which orbital? 5) An added electron to the element bromine goes into which orbital? 6) Write the balanced reaction between zinc oxide and sulfuric acid. 7) What are the elements called that are located between the metals and nonmetals? 8) Complete the following: P 4 O H 2 O 9) Which metal is a liquid at room temperature? 10) [Xe]6s 2 is the electron configuration for. 11) [Kr]5s 2 is the electron configuration for. 12) In their compounds, the charges on the alkali metals and the alkaline earth metals are and, respectively. 13) Which alkali metals can react with oxygen to form either the peroxide or the superoxide? 14) Write the balanced equation for the reaction of potassium with water. 15) Of the alkaline earth metals, which two elements are the least reactive? 4
5 Name: ID: A 16) Write the balanced equation for the reaction of elemental fluorine with liquid water. 17) Write the balanced equation for the reaction of elemental chlorine with liquid water. 18) List seven nonmetals that exist as diatomic molecules in their elemental forms. 19) All of the group VIA elements are solids except. 20) Which noble gas has the lowest first ionization energy? True/False Indicate whether the statement is true or false. 1) The effective nuclear charge acting on an electron is larger than the actual nuclear charge. 2) The effective nuclear charge in an atom is proportional to the number of nuclear protons. 3) The atomic radius of iodine is one-half the distance separating the iodine nuclei. 4) A group of ions all containing the same number of electrons constitutes an isoelectronic series. 5) Elements that readily conduct electricity are elements with low ionization energies. 6) Electron affinity measures how easily an atom gains an electron. 7) Xenon can form compounds with fluorine. 5
6 ID: A Unit 7 Review Answer Section MULTIPLE CHOICE 1) ANS: A PTS: 1 DIF: 1 REF: Page Ref: 7.1 OBJ: G2 2) ANS: A PTS: 1 DIF: 3 REF: Page Ref: 7.2 OBJ: 7.2; G2 3) ANS: D PTS: 1 DIF: 1 REF: Page Ref: 7.3 OBJ: 7.2, 7.3, 7.4, 7.5; G2 4) ANS: E PTS: 1 DIF: 1 REF: Page Ref: 7.4 OBJ: 7.4; G2 5) ANS: A PTS: 1 DIF: 1 REF: Page Ref: 7.6 6) ANS: B PTS: 1 DIF: 3 REF: Page Ref: 7.6 7) ANS: A PTS: 1 DIF: 1 REF: Page Ref: 7.6 8) ANS: D PTS: 1 DIF: 2 REF: Page Ref: 7.7 OBJ: 7.7, 7.8; G2 9) ANS: D PTS: 1 DIF: 1 REF: Page Ref: ) ANS: D PTS: 1 DIF: 1 REF: Page Ref: ) ANS: A PTS: 1 DIF: 4 REF: Page Ref: ) ANS: D PTS: 1 DIF: 1 REF: Page Ref: 7.2 OBJ: 7.2; G2 13) ANS: C PTS: 1 DIF: 1 REF: Page Ref: ) ANS: B PTS: 1 DIF: 1 REF: Page Ref: 7.7 OBJ: 7.7, 7.8; G2 15) ANS: A PTS: 1 DIF: 1 REF: Page Ref: ) ANS: C PTS: 1 DIF: 1 REF: Page Ref: ) ANS: E PTS: 1 DIF: 2 REF: Page Ref: ) ANS: A PTS: 1 DIF: 1 REF: Page Ref: ) ANS: A PTS: 1 DIF: 1 REF: Page Ref: ) ANS: A PTS: 1 DIF: 1 REF: Page Ref: 7.4 OBJ: 7.2, 7.3, 7.4, 7.5; G2 21) ANS: A PTS: 1 DIF: 1 REF: Page Ref: 7.6 1
7 ID: A 22) ANS: A PTS: 1 DIF: 1 REF: Page Ref: 7.7 OBJ: 7.7, 7.8; G2 SHORT ANSWER 1) ANS: signs, magnitude PTS: 1 DIF: 3 REF: Page Ref: 7.2 OBJ: 7.2; G2 2) ANS: increases PTS: 1 DIF: 2 REF: Page Ref: 7.4 OBJ: 7.2, 7.3, 7.4, 7.5; G2 3) ANS: helium PTS: 1 DIF: 2 REF: Page Ref: 7.4 OBJ: 7.2, 7.3, 7.4, 7.5; G2 4) ANS: 2s1 PTS: 1 DIF: 2 REF: Page Ref: 7.4 5) ANS: 4p PTS: 1 DIF: 2 REF: Page Ref: 7.5 6) ANS: ZnO + H 2 SO 4 ZnSO 4 + H 2 O PTS: 1 DIF: 1 REF: Page Ref: 7.6 7) ANS: metalloids PTS: 1 DIF: 1 REF: Page Ref: 7.6 8) ANS: 4H 3 PO 4 PTS: 1 DIF: 1 REF: Page Ref: 7.6 2
8 ID: A 9) ANS: Mercury (Hg) PTS: 1 DIF: 1 REF: Page Ref: ) ANS: barium PTS: 1 DIF: 2 REF: Page Ref: ) ANS: strontium PTS: 1 DIF: 2 REF: Page Ref: ) ANS: 1+, 2+ PTS: 1 DIF: 1 REF: Page Ref: 7.7 OBJ: 7.7; G2 13) ANS: K, Rb, and Cs PTS: 1 DIF: 1 REF: Page Ref: 7.7 OBJ: 7.7; G2 14) ANS: 2K (s) + 2H 2 O(l) 2KOH (aq) + H 2 (g) PTS: 1 DIF: 3 REF: Page Ref: 7.7 OBJ: 7.7, 7.8; G2 15) ANS: Be and Mg PTS: 1 DIF: 3 REF: Page Ref: 7.7 OBJ: 7.7; G2 16) ANS: 2H 2 O (l) + 2F 2 (g) 4HF (aq) + O 2 (g) PTS: 1 DIF: 1 REF: Page Ref: ) ANS: Cl 2 (g) + H 2 O (l) HCl (aq) + HOCl (aq) PTS: 1 DIF: 1 REF: Page Ref: 7.8 3
9 ID: A 18) ANS: hydrogen, oxygen, nitrogen, fluorine, chlorine, bromine, iodine PTS: 1 DIF: 2 REF: Page Ref: ) ANS: oxygen PTS: 1 DIF: 2 REF: Page Ref: ) ANS: radon PTS: 1 DIF: 3 REF: Page Ref: 7.8 TRUE/FALSE 1) ANS: F PTS: 1 DIF: 1 REF: Page Ref: 7.2 OBJ: 7.2; G2 2) ANS: F PTS: 1 DIF: 3 REF: Page Ref: 7.2 OBJ: 7.2; G2 3) ANS: T PTS: 1 DIF: 1 REF: Page Ref: 7.3 4) ANS: T PTS: 1 DIF: 1 REF: Page Ref: 7.3 5) ANS: T PTS: 1 DIF: 2 REF: Page Ref: 7.4 OBJ: 7.4; G2 6) ANS: T PTS: 1 DIF: 2 REF: Page Ref: 7.5 OBJ: 7.5; G2 7) ANS: T PTS: 1 DIF: 1 REF: Page Ref: 7.8 4
10 Unit 7 Review [Answer Strip] ID : A _ A 7) _ B 14) _ A 21) _ A 1) _ D 8) _ A 15) _ A 22) _ A 2) _ D 9) _ C 16) _ F 1) _ F 2) _ D 3) _ D 10) _ E 17) _ T 3) _ T 4) _ T 5) _ T 6) _ E 4) _ A 18) _ T 7) _ A 11) _ A 5) _ A 19) _ D 12) _ B 6) _ A 20) _ C 13)
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