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Magnesium reacts with an element (X) to ...

Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is `1s^(2),2s^(2)2p^(3)`, the simplest formula for this compound is

A

`Mg_(2)X_(3)`

B

`MgX_(2)`

C

`Mg_(2)X`

D

`Mg_(3)X_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
`2Mg+underset((X))(N_(2))tounderset("Ionic compound")(Mg_(3)N_(2))`
Electronic configuration is `1s^(2)2s^(2)2p^(3)`.
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