Chemistry & Chemical Safety

The separation of a substance into ions is known as

Anything that occupies space, has physical/chemical properties and exists gas, solid, or liquid

What type of change occurs when ice melts and becomes water?

A molecule is formed by joining two or more ____ chemically

Temporary mixtures of two kinds of matter

__ organic compounds are substances containing carbon that evaporate quickly and easily

Substances that cannot be reduced to simpler substances

How many naturally occurring elements are there?

Pure water with a pH of 7 is considered to be

Smallest particle of an element

A substance that adds hydrogen to a chemical compound or subtracts oxygen

A combination of substances that are held together by physical rather than chemical ties

The head of a surfactant molecule is __, “water loving”

What state of matter has a definite volume but takes the shape of it's container?

Organic chemistry is the study of all substances containing

Liquids that mix easily are known as...

A chemical reaction in which oxygen is subtracted from or hydrogen is added to a substance

A permanent mixture of two or more substances that are united with the aid of a binder

Another name for alkali

Redox is a contraction for

When a substance s combined with oxygen, it is

If a product has a pH of 8.9 it is considered

In creating a solution, the liquid used to dissolve a substance is called

A preparation made by dissolving a solid, liquid, or gaseous substance into another substance

The tail of a surfactant molecule is ___, “oil loving”

An alteration of the properties of a substance without the formation of a new substance

Two or more elements combine chemically to form a new substance

The branch of chemistry that deals with products that does not contain carbon

When two or more atoms are joined together chemically, what is created?

Substances that act as a bridge to allow oil and water mix or emulsify

___ are substance used to neutralize acids or raise the pH of many hair products