the factor that a scientist measures or observes during an experiment.

A series of steps used to find a solution to a specific problem.

The building block of matter

Matter made of only one type of atom

A substance composed of two or more elements

A substance that is not evenly mixed

A substance that is evenly mixed

Determines the identity of an atom

Negatively charged particle in an atom

Positively charged particles in an atom

One of two or more atoms of an element having the same number of protons, but a different number of neutrons

An atom that has a charge because it has gained or lost electrons

State of matter in which the particles can slide past one another.

State of matter in which the particles move freely within their container.

State of matter in which the particles vibrate about a definite position.

The ability or inability of a substance to combine with or change into one or more new substances.

A change in the size, shape, form, or state of matter in which the identity of the matter stays the same.

The ability or inability of a substance to combine with or change into one or more new substances.

The ability or inability of a substance to combine with or change into one or more new substances.

States that the total mass before a chemical reaction is the same as the total mass after the reaction.

The amount of solute that is dissolved

The maximum amount of solute that can dissolve.

Substances that form hydroxide ions when dissolved in water.

Substances that form hydronium ions when dissolved in water.

Used to measure pH