Atoms Vocab

Front

Negatively charged particle outside the nucleus of an atom

Back

electron

Front

Positively charged particle in an atom's nucleus

Back

proton

Front

Substance made of one kind of atom

Back

element

Front

Center of an atom containing most mass

Back

nucleus

Front

Small particle, building block of matter

Back

atom

Front

Uncharged particle in an atom's nucleus

Back

neutron

Front

Number of protons in an atom's nucleus

Back

Atomic number

Front

Atoms of an element with the same protons but different neutrons

Back

isotope

Front

Atom with charge from gained/lost electrons

Back

ion

Front

Region around an atom's nucleus where electrons are likely found

Back

electron cloud