Question

Select all that apply.
Which of the following is true about the Law of Conservation of Matter?
It can easily be seen when describing a chemical reaction using an equation.
It is a basic principle in studying chemical reactions.
It describes the idea that mass is neither lost nor gained in a chemical reaction
It describes the idea that the number and kinds of atoms present before and after a chemical reaction remain constant.

Answer 1

Answer:

It describes the idea that the number and kinds of atoms present before and after a chemical reaction remain constant.

Explanation:

This one best describes it.

you can't really see the conservation of energy and describe it.

it is not the basic principle for chem solutions, there are tons.

mass in a chemical rxn always changes.

thus, best option is the last one.