CH-2043

Balancing equations

Chemistry · Secondary 4 · Easy · Balancing equations

Magnesium ribbon is burned in oxygen to form magnesium oxide,

\text{MgO}

. Which balanced equation shows this reaction correctly?

$2\text{Mg} + \text{O}_2 \to 2\text{MgO}$
$\text{Mg} + \text{O}_2 \to \text{MgO}$
$\text{Mg} + \text{O}_2 \to \text{Mg}_2\text{O}$
$4\text{Mg} + \text{O}_2 \to 2\text{Mg}_2\text{O}$

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