Ch 12 Chemistry 1

The study of substances that contain carbon is called _____ chemistry

A chemical combination of two or more atoms of different elements in definite proportions is a(n):

A(n) _____ is a chemical combination of two or more atoms in definite (fixed) proportions.

Characteristics of matter that do not involve chemically changing a substance are called _____ properties.

When a substance undergoes a _____ change, a new substance with different properties is created.

Matter does NOT exist in which form?

Substances lacking the element _____ are classified as inorganic.

A(n) _____ is the basic unit of matter.

Any substance that occupies space and has mass (weight) is considered:

The simplest form of chemical matter is a(n