Atoms vocab

Front

Electrons in the outermost shell determine bonding.

Back

valence electron

Front

Particles with a negative charge

Back

electron

Front

Particles with a positive charge

Back

proton

Front

Mass of an atom

Back

atomic mass

Front

Holds the nucleus together, keeping protons and neutrons together.

Back

strong force

Front

Building blocks of matter.

Back

atoms

Front

Center of an atom

Back

nucleus

Front

Protons and electrons in an element

Back

atomic number

Front

A pure substance has identical atomic numbers (protons).

Back

element

Front

Energy levels where electrons are found

Back

shells