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11) Which of the following is an isoelectronic series? A) 02-, F-, Ne, Na+ D) F, a, Br, 1- B) S, a, Ar, K E) Si2, P2, 52, CR- 9 B5, Sit, As3-, Te2- 12) The Lewis structure of N2H2 shows A) each nitrogen has two nonbonding electron pairs C)a nitrogen-nitrogen single bond E) each nitrogen has one nonbonding electron pair B) each hydrogen has one nonbonding electron pair D) a nitrogen-nitrogen triple bond 13) Of the bonds C-C, C-C, and CC, the C-C bond is

11) Which of the following is an isoelectronic series? A) 02-, F-, Ne, Na+ D) F, a, Br, 1- B) S, a, Ar, K E) Si2, P2, 52, CR- 9 B5, Sit, As3-, Te2- 12) The Lewis structure of N2H2 shows A) each nitrogen has two nonbonding electron pairs C)a nitrogen-nitrogen single bond E) each nitrogen has one nonbonding electron pair B) each hydrogen has one nonbonding electron pair D) a nitrogen-nitrogen triple bond 13) Of the bonds C-C, C-C, and CC, the C-C bond is

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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general chemistry , please solve question 11 and 12

11) Which of the following is an isoelectronic series? A) 02-, F, Ne, Nat D) F, CI, Br, I- B) S, a, Ar, K E) Si2, P2-, 52-, C2- O B5, Sit, As3, Te2- 12) The Lewis structure of N2H2 shows A) each nitrogen has two nonbonding electron pairs C) a nitrogen-nitrogen single bond E) each nitrogen has one nonbonding electron pair B) each hydrogen has one nonbonding electron pair D) a nitrogen-nitrogen triple bond 13) Of the bonds C-C, C-C, and CC, the C-C bond is A) weakest/shortest D) intermediate in both strength and length B) strongest/shortest E) weakest/longest 14) How many equivalent resonance structures can be drawn for the molecule of SO3 without having to violate the octet strongest/longest rule on the sulfur atom? A) 3 B) 2 C)1 D) 5 E) 4 15) Given the electronegativities below, which covalent single bond is most polar? Element: H N Electronegativity: 2.1 2.5 3.0 3.5 A) O-C B) 0-H C)0-N D) C-H E) N-H 16) The ground-state electron configuration of the element is [Kr]5s14d5. A) Nb B) Tc 9 Cr D) Mn E) Mo 17) The F-B-F bond angle in the BF2 ion is approximately A) 90° B) 109.5° C) 120° D) 180° E) 60° 18) There are o and n bond(s) in the H2C-CH2 molecule. A) 3 and 4 B) 5 and 1 C) 3 and 2 D) 2 and 3 E) 4 and 3 19) The molecular geometry of the PF4+ ion is C) trigonal bipyramidal D) tetrahedral E) trigonal planar A) trigonal pyramidal B) octahedral orbitals, 20) The hybrid orbitals used for bonding by Xe in the unstable XeF2 molecule are C) sp2 D) sp3 E) sp3d A) sp3d2 B) sp
Transcribed Image Text:11) Which of the following is an isoelectronic series? A) 02-, F, Ne, Nat D) F, CI, Br, I- B) S, a, Ar, K E) Si2, P2-, 52-, C2- O B5, Sit, As3, Te2- 12) The Lewis structure of N2H2 shows A) each nitrogen has two nonbonding electron pairs C) a nitrogen-nitrogen single bond E) each nitrogen has one nonbonding electron pair B) each hydrogen has one nonbonding electron pair D) a nitrogen-nitrogen triple bond 13) Of the bonds C-C, C-C, and CC, the C-C bond is A) weakest/shortest D) intermediate in both strength and length B) strongest/shortest E) weakest/longest 14) How many equivalent resonance structures can be drawn for the molecule of SO3 without having to violate the octet strongest/longest rule on the sulfur atom? A) 3 B) 2 C)1 D) 5 E) 4 15) Given the electronegativities below, which covalent single bond is most polar? Element: H N Electronegativity: 2.1 2.5 3.0 3.5 A) O-C B) 0-H C)0-N D) C-H E) N-H 16) The ground-state electron configuration of the element is [Kr]5s14d5. A) Nb B) Tc 9 Cr D) Mn E) Mo 17) The F-B-F bond angle in the BF2 ion is approximately A) 90° B) 109.5° C) 120° D) 180° E) 60° 18) There are o and n bond(s) in the H2C-CH2 molecule. A) 3 and 4 B) 5 and 1 C) 3 and 2 D) 2 and 3 E) 4 and 3 19) The molecular geometry of the PF4+ ion is C) trigonal bipyramidal D) tetrahedral E) trigonal planar A) trigonal pyramidal B) octahedral orbitals, 20) The hybrid orbitals used for bonding by Xe in the unstable XeF2 molecule are C) sp2 D) sp3 E) sp3d A) sp3d2 B) sp
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