Chapter 2 - Atomic Structure and Periodicity

ANSWER: c

POINTS: 1

80. Nitrogen has five valence electrons. Consider the following electron arrangements

2s 2p a) ↑↓ ↑ ↑ ↑ b) ↑ ↑↓ ↑ ↓ c) ↑ ↑↑ ↑ ↑ d) ↑↓ ↑ ↑ e) ↑↓ ↑↓ ↑ ↑

Which represents the ground state for N?

Reference: Ref 2-3 a. option a b. option b c. option c d. option d e option e

ANSWER: a

POINTS: 1

81. Nitrogen has five valence electrons. Consider the following electron arrangements 2s 2p a) ↑↓ ↑ ↑ ↑ b) ↑ ↑↓ ↑ ↓ c) ↑ ↑↑ ↑ ↑ d) ↑↓ ↑ ↑ e) ↑↓ ↑↓ ↑ ↑

Which represents the ground state for the N– ion?

Reference: Ref 2-3

Copyright Cengage Learning. Powered by Cognero. Page 21