Answer:
Reactant
Explanation:
The chemical expression is given as:
2Na + Cl₂ → 2NaCl
The species on the left hand side which are Na and Cl₂ are referred to as the reactants.
The specie on the right hand side, NaCl is the product of the reaction.
There is no catalyst shown in this reaction.
Such a reaction as this is called a combination reaction or synthesis reaction in which two reactants gives rise to a product.
