Structure of Matter - Vocab Only

Front

Subatomic particle with a positive charge?

Back

Proton

Front

Dense region of protons and neutrons at the center of an atom.

Back

Nucleus

Front

Mass of an atom is due to:

Back

Protons and neutrons

Front

Subatomic particle with a negative charge.

Back

Electrons

Front

The atomic _____ indicates the number of protons in an atom.

Back

number

Front

Element with equal protons and electrons, no net charge.

Back

Neutral atom

Front

Smallest particles of matter

Back

atoms

Front

Subatomic particles with no charge?

Back

Neutrons

Front

Kinds of subatomic particles?

Back

Protons, neutrons, and electrons.

Front

Substance of a single type of atom?

Back

element