Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p3, the simplest formula for this compound is
Mg2X
MgX2
Mg2X3
Mg3X2
@11129
Mg ion Mg2+ , X = N
Nitrogen ion = X3-
Option 1)
Mg2X
Option 2)
MgX2
Option 3)
Mg2X3
Option 4)
Mg3X2