Anion

Atom

Atomic Mass

Chemical Change

Compound

Covalent Bond

Dot Diagram

Double Bond

Triple Bond

Endothermic

Energy levels

Enzymes

Exothermic

How are chemical reactions altered?

HOW do chemicals react?

Ionic bond

Law of conservation of mass

Metals

Molecule

Noble gases

Non metals

Non-polar bond

Physical change

Polar bond

Products

Reactants

Single bonds

Valence electrons

WHY do chemicals react?