Unit 1: Properties of Matter

Front

Atom

Back

The smallest particle of an element

Front

Atomic Mass

Back

The total mass of particles of matter in an atom

Front

Atomic Number

Back

The number of a chemical element in the periodic system

Front

Chemical Formula

Back

Represents the type & number of atoms present in a particular substance

Front

Chemical Symbol

Back

One or two letters representing a chemical element

Front

Compound

Back

Composed of two or more different elements that are chemically combined

Front

Element

Back

A pure substance composed of the same type of atom throughout

Front

Molecule

Back

The simplest unit of a chemical compound that can exist; formed when two or more atoms combine chemically

Front

Subscript

Back

A small number in the bottom right of a chemical symbol in a chemical formula

Front

Symbol

Back

A notation of one or 2 letters representing a chemical element