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Helper2511
Magnesium + oxygen makes Magnesium Oxide.

The big numbers are for balancing the equation.
znk

Answer:

Here's what I get  

Explanation:

There are several ways to read your equation.

2Mg + O₂ ⟶ 2MgO

  1. Magnesium reacts with oxygen to form magnesium oxide
  2. Two atoms of magnesium react with one molecule of oxygen to form one formula unit of magnesium oxide.
  3. Two moles of magnesium react with one mole of oxygen to form one mole of magnesium oxide.