Understanding Atom Parts

Front

Atom

Back

Smallest unit of matter

Front

Nucleus

Back

Center of an atom

Front

Proton

Back

Positively charged particle

Front

Neutron

Back

Neutral particle

Front

Electron

Back

Negatively charged particle

Front

Atomic Number

Back

Number of protons

Front

Mass Number

Back

Protons + Neutrons

Front

Electron Cloud

Back

Area where electrons are found