Question

[A] Write the chemical equations for the
following and also balance it:
1- What happens when magnesium metal
burns in presence of oxygen?​

Answer 1

Answer:

2Mg +O2 -> 2MgO

Hope this helps you dear mate.

Answer 2

Magnesium reacts with oxygen to produce magnesium oxide.

it forms a white powder of the magnesium oxide. Magnesium gives up two electrons to oxygen atoms to form this powdery product. This is an exothermic reaction.

reactants:

1 × Mg, 2 × O products: 1 × Mg, 1 × O

Reactants:

1 × Mg, 2 × O products: 2 × Mg, 2 × O