Ch 12 Chemistry

The branch of science that applies to substances that contain carbon is called _____ chemistry.

• structual

• inorganic

• organic

• enviromental

The simplest form of chemical matter that cannot be broken down without the loss of identity is a(n) _____.

• Element

• energy

• substance

• mineral

The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits, is a(n) _____.

• atom

• ion

• proton

• neutron

Chemically combining two or more atoms produces a _____.

• mixture

• substance

• molecule

• miscible

The chemical combination of two or more atoms of different elements produces a(n) _____.

• Compound

• solution

• neutral

• acid

What state of matter has a definite volume but takes the shape of its container?

• solid

• liquid

• gas

• vapor

Change in the form of a substance that does not cause a chemical reaction is a(n) _____ change

• anion

• chemical

• matter

• physical

The oxidation of haircolor is an example of a _____

• Physical Change

• Chemical Change

• reversible process

• Change in the state of matter

Chemical reactions that are characterized by giving off heat are _____.

• Neutralized

• acidic

• oxidized

• exothermic

A stable physical mixture of two or more substances in a solvent is a(n) _____.

• Blend

• solute

• solution

• emulsion