Q.

The electronic configuration of a metal M is 1s2,2s22p6,3s1 The formula of its oxides will be

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a

MO

b

M2O

c

M2O3

d

MO2

answer is B.

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Detailed Solution

The electronic configuration of Na(Z=11) 1s2,2s22p6,3s1 The oxide of Na is Na2O
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