Essential Chemistry for IGCSE - Formulae And Equations (Section 6 - No. 2)
What is the correct formula for magnesium chloride?
MgCl
MgCl2
Mg2Cl
Mg2Cl2
Explanation
The valency of magnesium is 2, and the valency of chlorine is 1. Therefore the formula is MgCl2.
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