Understanding Elements and Compounds

Front

Pure substance, one type of atom

Back

Element

Front

Two or more elements, chemically bonded

Back

Compound

Front

Combination of substances, not chemically joined

Back

Mixture

Front

Back

of compounds

Front

Uniform composition throughout

Back

mixture

Front

Visible different parts, not uniform

Back

mixture

Front

Elements have unique symbols, cannot be separated by physical means

Back

properties

Front

Compounds: fixed ratio, new properties; Mixtures: any ratio, original properties

Back

between compounds and mixtures

Front

Salt water: mixture or compound? Explain

Back

salt and water not chemically bonded, can be separated

Front

Smallest unit of a compound

Back

Molecule