Question

why do we write Mg in an equation instead of Mg2​

Answer 1

write it as 2 Mg .......

Answer 2

Answer:

Magnesium oxide is formed as a reaction between Magnesium and oxygen gas. ... here, writing of Mg2 instead of 2 Mg will represent that one molecule of magnesium react with O2 to form MgO, that will be wrong.

Explanation:

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