Question

Reaction of Mg + O2​

Answer 1

Answer:

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First, we need to identify the type of bond and reaction. This is an ionic bond so atoms are giving and accepting electrons. This is a synthesis reaction.

Magnesium has a charge of 2+ , while oxygen has a charge of 2− . The burning of magnesium metal reacts with oxygen found in the air (oxygen gas) to form magnesium oxide.

$2Mg (s)+ O_2(g) \longrightarrow \: 2Mg O_2$

Oxygen is a diatomic molecule and is almost always reacting with elements as a gas, $O_2$

Answer 2

Answer:

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2Mg +O2 → 2MgO2