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The electronic configuration of metal M ...

The electronic configuration of metal M is `1s^(2)2s^(2)2p^(6)3s^(1).` The formula of its oxide will be :

A

MO

B

`M_2O`

C

`M_2O_3`

D

`MO_2`

Text Solution

Verified by Experts

The correct Answer is:
B
Configuration shows the element to be monovalent. Hence its formula is roman `M_2O`.
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