2023 Chemistry Vocab Study Guide

Front

Positively charged particles in the nucleus with 1 amu mass

Back

proton

Front

Particles in an atom's nucleus with no charge and 1 amu mass

Back

neutron

Front

Particles in energy levels of atoms with no mass and a negative charge

Back

electron

Front

Center of the atom with protons and neutrons

Back

nucleus

Front

Rings around an atom containing electrons are:

Back

energy levels

Front

Atoms are stable with 8 valence electrons:

Back

octet rule

Front

Protons in the nucleus are called:

Back

atomic number

Front

Protons + Neutrons = ?

Back

atomic mass

Front

Rows on the periodic table are called periods.

Back

They do NOT have properties in common.

Front

Columns on the periodic table are called:

Back

Groups with properties in common.