Answer:
2Mg + O₂ → 2MgO
Explanation:
Given reaction is:
Mg + O₂ → MgO
On the right side, we have:
1 Mg, 1 O
On the left side, we have:
1 Mg, 2 O
Hence, the reaction is balanced now!
Final and balanced reaction is:
2Mg + O₂ → 2MgO
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!