Elements, Compounds and Mixtures (Added Test Points)

A pure substance that cannot be separated into simpler substance by physical or chemical means.

• Element

• Compound

• Mixture

The building blocks of matter is the ________

• Elements

• Atoms

• Compounds

The smallest fundamental unit of a chemical compound is the_____

• Element

• Molecule

• Compound

Substance composed of two or more different elements joined by chemical bonds is called the________

• Element

• Atom

• Compound

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

• Element

• Compound

• Mixture

A Homogenous mixture has

• the same uniform particles

• different size particles

A Heterogenous mixture has

• the same uniform particles

• different size particles

Compounds ___________________ be separated by physical means. Separating a compound requires a chemical reaction.

• can

• cannot

An element ___________________ be separated into simpler materials (except during nuclear reactions).

• can

• cannot

Is the diagram showing an element, compound, or mixture?

• Element

• Compound

• Mixture