Explain the difference between the reactants and products of a chemical reaction

Reactants are what you put into a chemical reaction. Left Side

Products are what result from the reactants or what is formed. Right Side

Explanation:

Think about a reaction to form NaOH.

You would combine

Na+ ions and OH- ions which would be your reactants. These are your reactants because you are putting them together to make a product.

After you combine them you would get NaOH or your product. This is the product because it is what is formed by the reactants.  

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;