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What is wrong with the following chemical equation?
Mg + O -----> MgO Correct and balance it.
In the given reaction, oxygen is written as O, but oxygen is a diatomic molecule and its formula is O2.
Therefore, the correct balanced chemical equation is written as:
$2Mg\ ( s) \ +\ O_{2} \ ( g) \ \rightarrow \ 2MgO\ ( s)$
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