Unit 6 Chemistry Test Review

What term refers to anything that occupies space; has physical and chemical properties; and exists in a solid, liquid, or gas form?

• matter

• compound

• element

• organic substance

________ are substances that cannot be reduced to simpler substances.

What is the basic unit of matter that cannot be divided into simpler substances by ordinary chemical means?

• proton

• neutron

• atom

• electron

When two or more atoms are joined together chemically, a(n) ________ is created.

A ________ is a new substance formed by chemically combining two or more atoms of different elements.

When a substance gains oxygen, the substance is ________.

• reduced

• subtracted

• oxidized

Redox is a contraction for ________.

• Oxidation-reduction

• Reduction-oxygenation

• Reaction-Oxidation

• Organic Reaction

A(n) ________ agent is a substance that adds hydrogen to a chemical compound or subtracts oxygen from the compound.

• reacting

• reducing

• hydrogen

• oxidizing

A ________ is a combination of substances that are held together by physical rather than chemical ties.

• physical mixture

• compound

• synthesis

• solvent

A(n) ________ is a preparation made by dissolving a solid, liquid, or gaseous substance in another substance.

• suspension

• ointment

• emulsion

• solution