Structure and Properties of Matter Unit Assessment

Front

What are the two types of changes that can occur in matter?

Back

Physical and chemical changes.

Front

Where is the nucleus located in an atom?

Back

At the center of an atom.

Front

What is a common property of most nonmetals?

Back

Most nonmetals are brittle.

Front

What are the positive particles found in the nucleus of an atom called?

Back

Protons.

Front

What is formed when two or more elements combine chemically?

Back

A compound.

Front

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

Back

An atom.

Front

What is the term for a substance made of two or more different types of atoms bonded together?

Back

A compound.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.