A) \[MO\]
B) \[{{M}_{2}}O\]
C) \[{{M}_{2}}{{O}_{3}}\]
D) \[M{{O}_{2}}\]
Correct Answer: B
Solution :
The electronic configuration of \[Na\,(Z=11)\]is \[1{{s}^{2}},\,2{{s}^{2}}2{{p}^{6}},\,3{{s}^{1}}\]. The oxide of Na is \[N{{a}_{2}}O\].
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