Cosmetology Chapter 5 Chemistry

The term used to identify anything that occupies space is called:

• a solid 
• a gas
• matter
• organic

Which of the following is NOT an example of a physical change?

• performing a haircut
• rusting of a nail
• performing a thermal style
• shattering a piece of glass

Melting ice changes water from a solid to a liquid.  Boiling water changes water from a liquid to a gas.  These are examples of what type of change?

• physical 
• chemical
• elemental
• molecular

Atoms make up elements. Elements make up matter.  Therefore, all matter is comprised of:

• gases
• carbon
• compounds
• atoms

All matter that living or once was living contains carbon and deals with:

• physics
• organic chemistry
• inorganic chemistry
• anatomy

Basic substances that cannot be broken down into simpler substances are called:

• solids
• elements
• molecules
• compounds

Two or more of the same atoms joined together by a chemical bond is a(n):

• molecule
• electron
• neutron
• protein

Atoms that are the same from a(n):

• mixture
• element
• emulsion
• compund

When two hydrogen atoms combine with one oxygen atom, the result is water, which is called a(n):

• atom
• element
• compound
• mixture

Carbon, nitrogen, oxygen and hydrogen from the basis of:

• mixtures
• elements
• compounds
• amino acids