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

Options

A. `Mg_(2)X_(3)`
B. `MgX_(2)`
C. `Mg_(3)X_(2)`
D. `Mg_(2)X`

Answer

C

Explanation

Element (X) electronic configuration
`1s^(2) 2s^(2) 2p^(3)`
So, valency of X will be 3.
Valency of Mg is 2.
Formula of compound formed by Mg and X will be `Mg_(3)X_(2)`.