Vocab 3 - Matter Properties and Changes

Smallest particle of an element with its properties.

Positively charged particles in an atom's nucleus.

Negatively charged particles orbiting the nucleus, forming the electron cloud (minimal mass)

Neutral particles in the atom's nucleus with mass.

A form of matter made of one kind of atom

A substance formed when elements combine, differing in properties from its elements.

A combination of compounds and elements that hasn't formed a new substance and whose proportions can change without altering its identity.

Smallest particle of a substance retaining its chemical and physical properties.

Matter with uniform properties and composition

Protons in an atom's nucleus.