Respuesta :

Answer:

Reactants starts the chemical reaction and gives right to the product either by thermal decomposition or in the presence of a catalyst.

Explanation:

Reactants and products contain the same atoms, but they are rearranged during the reaction, so reactants and products are different substances.

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Answer:

The properties of reactant are:

1. it contains the same atoms

2. it describes the pathway of the reaction.