Unit 1: Matter & Atoms Vocab Review

Front

Basic unit of a chemical element?

Back

atom

Front

Combination of symbols & numbers representing a substance?

Back

Chemical Formula

Front

Chemical Symbol:

Back

One or two letters representing an element.

Front

Substance of atoms from 2+ different elements joined by bonds

Back

compound

Front

Element: a pure substance of one kind of atom

Back

a pure substance made of only one kind of atom

Front

Energy due to motion?

Back

Kinetic Energy

Front

Anything with mass and volume

Back

Matter

Front

A combination of two or more substances that are not chemically combined

Back

mixture

Front

Two or more atoms held together by chemical bonds

Back

molecule

Front

Law stating that the repeating chemical and physical properties of elements change periodically with atomic numbers.

Back

Periodic Law