Ch 6 Chemistry TEST Review

Unit of matter with a nucleus at the center

The simplest form of chemical matter that cannot be broken down without the loss of identity is

A solution with a pH value of 7 indicates

A stable physical mixture of two or more substances is a/an

Substances used to neutralize acids or raise the pH of many hair products are:

Branch of science that deals with compostion, structure & properties of matter & how it change under different condition

Change in the form of a substance that does not cause a chemical reaction is

Substances that allow oil and water, or emulsify, are

Ions with a positive electrical charge are considered to be

An atom or molecule that carries an electrical charge is a/an

A sweet, colorless, oily substance that is used as a moisturizer in skin and body creams is

the chemical combination of two or more atoms of different elements produces

Air contains nitrogen, carbon dioxide, and water vapor, and is an example of a

A common volatile organic compound used in hair spray is

A substance, usually liquid, that dissolves another substance to form a solution is a/an

An example of an ammonia compound that is used to perform chemical services in a salon is

Liquids that can be mixed together to form stable solutions are

An unstable physical mixture of two or more immiscible is a/an

Chemically combining two or more atoms produce a

A chemical combination of matter in definite (fixed) proportions is a