Structures and properties of matter

Front

What must occur for the matter in beaker B to change into the matter in beaker C?

Back

A physical change must occur.

Front

What are subatomic particles with a negative charge called?

Back

Electrons.

Front

What is a material with NO definite shape and NO definite volume?

Back

Gas.

Front

What is the mass number of an atom?

Back

The total number of protons and neutrons in the nucleus of an atom.

Front

What is a material with a definite shape and a definite volume?

Back

Solid.

Front

What is the smallest unit of an element that retains the properties of that element?

Back

Atom.

Front

What are the three states of matter?

Back

Solid, liquid, gas.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What are neutrons?

Back

Subatomic particles with no charge found in the nucleus of an atom.