Chemistry Vocabulary

Front

Atomic structure

Back

The arrangement of subatomic particles within an atom.

Front

Protons

Back

Positively charged particles in the nucleus of an atom. Having the mass of 1 amu. .

Front

Neutrons

Back

Neutral particles in the nucleus that add mass and stability. It has no charge but does have the mass of 1 amu. 

Front

Electrons

Back

Negatively charged particles that orbit the nucleus. This subatomic particle is considered to have no mass (1/1823 amu). 

Front

Valence electron

Back

Electrons in the outermost shell that determine bonding behavior.

Front

Chemical bonds

Back

Forces that hold atoms together in molecules or compounds.

Front

Covalent bond

Back

A bond formed when atoms share electrons.

Front

Ionic bond

Back

A bond formed when electrons are transferred between atoms.

Front

Ion

Back

An atom or molecule with a net electric charge due to loss or gain of electrons.

Front

Polar bond

Back

A covalent bond with unequal sharing of electrons.