Physical and Chemical Changes

Front

What is a physical change?

Back

A physical change is a change where the mass looks different but the chemical equation for it hasn’t changed.

Front

What is a chemical change?

Back

A chemical change is where the chemical format of a mass is changed.

Front

What is a chemical equation?

Back

How you represent a chemical reaction.

Front

What is a chemical reaction?

Back

Chemicals react to form new substances.

Front

What are reactants?

Back

The left side of a chemical equation.

Front

What are products?

Back

The right side of a chemical equation.

Front

What does the Law of Conservation of Mass state?

Back

It states that mass cannot be created nor destroyed.

Front

What is an atom?

Back

The smallest unit of matter.

Front

What is a molecule?

Back

A molecule is made up of 2 or more atoms bonded together.

Front

What are valence electrons?

Back

Electrons located on the outermost shell that determine how chemicals bond.