Modeling Conservation of Matter Review

Front

What is conserved in a chemical reaction?

Back

The total number of atoms is conserved.

Front

What is the smallest part of all matter?

Back

An atom.

Front

What does the law of conservation of matter state?

Back

Matter is not created or destroyed in a chemical reaction; the mass remains constant.

Front

What happens to the mass during a chemical reaction?

Back

The mass does not change.

Front

What is the term for the principle that matter cannot be created or destroyed?

Back

Law of conservation of matter.

Front

What is an atom?

Back

The basic unit of a chemical element, the smallest part of matter.

Front

What does it mean to conserve mass?

Back

To keep the total mass the same before and after a chemical reaction.

Front

What is a chemical reaction?

Back

A process that involves the rearrangement of the molecular or ionic structure of a substance.

Front

What is the relationship between atoms and molecules?

Back

Atoms are the building blocks of molecules.

Front

What is the significance of coefficients in a chemical equation?

Back

Coefficients indicate the number of molecules or moles of a substance involved in a reaction.