Front

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

Back

Protons and neutrons.

Front

What are the positive particles of an atom called?

Back

Protons.

Front

What is a substance made up of one or more molecules?

Back

Salt.

Front

What term defines a substance formed by the combination of elements in fixed amounts?

Back

Compound.

Front

What is all matter made of?

Back

Atoms.

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.

Front

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

Back

Atom.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.