Unit 8- Chemical compounds Vocab

Front

Most abundant gas in the atmosphere

Back

Nitrogen

Front

Substance made up of 2 or more different elements joined by chemical bonds

Back

Compound

Front

Characteristic of a pure substance that does NOT change into a new substance (stays the same)

Back

Physical property

Front

Characteristic of a pure substance to change into a new substance.

Back

Chemical property

Front

Combo of chemical symbols and numbers to represent a substance like water (H2O)

Back

Chemical formula

Front

A substance that cannot be broken down into simpler substances by chemical means

Back

Element

Front

A charged particle that has either lost or gained one or more electrons

Back

Ion

Front

A change that results in the formation of new chemical substances

Back

Chemical change

Front

A change that affects one or more physical properties of a substance without altering its chemical composition

Back

Physical change

Front

The smallest unit of a chemical compound that retains its chemical properties

Back

Molecule