The study of the composition, structure, and properties of matter and the changes and it undergoes

System of units based on the metric system and used by scientists.

Physical property that is an example of an intensive property relating mass and volume.

Distance between corresponding points on adjacent waves

Dynamic process of evaluating scientific phenomena based on hypothesis, observations and experiments

Any digit in a measurement that is known plus one final digit, which is uncertain or estimated

Density of a piece of metal weighing 23.0g and displacing 8.5mL

States that an electron occupies the lowest energy orbital that can receive it

Contains a blend of 2 or more kinds of matter each of which retains it's own identity and properties

Number of significant figures in 0.0023

g/ml, lb/gal and g/L

3 orientations (x, y, and z)

A substance that cannot be chemically broken down into simpler substances

The temperature in Celcius corresponding to 21oF

The volume in mL of 0.230L

States that orbitals of equal energy are occupied by one electron before any orbital is occupied by a second electron, and all electrons in singly occupied orbitals must have the same spin

Properties such as melting point, density and color.

The repeatability of a set of measurements

The density in g/mL of 1.17lb/gal

States that it is impossible to determine simultaneously both the position and velocity of an electron