An object at rest will stay at rest while an object in motion will stay in motion unless acted on by an external force.
A unit of measure in chemistry.
It is the atomic weight of an atom, or molecule, in grams.
The process by which a mathematical expression is simplified into components, smaller and simpler, that when multiplied together result in the original expression.
A vector that represents the change in position of an object.
Vector: a quantity that has both magnitude and direction.