Question
Based on the octet rule, magnesium most likely forms a __________ ion.
A) Mg- B) \(Mg^{6+}\) C) \(Mg^{2+}\) D) \(Mg^{6-}\) E) \(Mg^{2-}\)
▶️Answer/Explanation
Ans: C
Question
Based on the octet rule, phosphorus most likely forms a __________ ion.
A) \(P^{5-}\) B) \(P^{5+}\) C) \(P^+\) D) \(P^{3-}\) E) \(P^{3+}\)
▶️Answer/Explanation
Ans: D
Question
The Lewis structure of \(AsH_3\) shows __________ nonbonding electron pair(s) on As.
A) 0
B) 1
C) 2
D) 3
E) This cannot be determined from the data given.
▶️Answer/Explanation
Ans: B
Question
The Lewis structure of HCN (H bonded to C) shows that __________ has __________ nonbonding electron
pairs.
A) C, 1 B) N, 2 C) C, 2 D) N, 1 E) H, 1
▶️Answer/Explanation
Ans: D
Question
The Lewis structure of \(N_2H_2\) shows __________.
A) each nitrogen has one nonbinding electron pair
B) each hydrogen has one nonbonding electron pair
C) each nitrogen has two nonbinding electron pairs
D) a nitrogen-nitrogen single bond
E) a nitrogen-nitrogen triple bond
▶️Answer/Explanation
Ans: A
