the products of a reaction. elements created by a reaction. phase changes taking place during a reaction. the number of molecules involved in a reaction.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A balanced chemical equation shows
Possibilities:
- the products of a reaction.
- elements created by a reaction.
- phase changes taking place during a reaction.
- the number of molecules involved in a reaction.

the products of a reaction.