Answer: The reaction is known as synthesis reaction.
Explanation:
Synthesis reaction is defined as the chemical reaction in which substances react in their elemental state to produce a single compound.
For Example: The formation of magnesium oxide from magnesium and oxygen gas.
[tex]2Mg(s)+O_2(g)\rightarrow 2MgO(s)[/tex]
By Stoichiometry of the reaction:
2 moles of magnesium atom reacts with oxygen gas to produce 2 moles of magnesium oxide.
Hence, the reaction is known as synthesis reaction.
