Understanding Atom Parts

Front

Proton

Back

charged particle in nucleus

Front

Neutron

Back

particle in nucleus

Front

Electron

Back

charged particle outside nucleus

Front

Nucleus

Back

of atom, contains protons and neutrons

Front

Electron cloud

Back

where electrons are likely found

Front

Atomic number

Back

of protons in an atom

Front

Mass number

Back

plus neutrons in nucleus

Front

Changing number of electrons

Back

ions (charged atoms)

Front

Predicting isotope identity

Back

mass number and atomic number

Front

Explaining atom’s neutrality

Back

protons and electrons balance charges