Atoms and Molecules Vocabulary

Front

Subatomic particle with positive charge

Back

Proton

Front

Subatomic particle with negative charge and low mass

Back

Electron

Front

Smallest unit of an element

Back

Atom

Front

Center of an atom

Back

Nucleus

Front

Subatomic particle with mass of proton, no charge

Back

Neutron

Front

Number of protons in an atom

Back

Atomic Number

Front

Substance with one kind of atom

Back

Element

Front

Conducts heat & electricity, malleable

Back

Metal

Front

Substance that does not conduct electricity and is not malleable

Back

Non-Metal

Front

Elements arranged by atomic numbers

Back

Periodic Table