Ch 6 Chemistry

What should beauty professionals study and have a thorough understanding of chemistry?

• because every product used in beauty and wellness contains some type of chemical.

• because is it unrelated to the safe operation of a salon, spa, or barbershop.

• because clients often quiz beauty professionals on this important knowledge.

• because chemistry experiments are often practice at salons, spas, and barbershop.

The effects of cosmetics and beauty products are based on which of the following?

• How the body reacts to chemicals

• How friends and family members react to a new look

• How pleased the beauty professional is with the results

• How favorably the new styles compare with the old.

Which of the following is TRUE of creams, lotions, masks, and makeup?

• They never contain chemicals

• They only contain chemicals if they are not made from natural sources such as plants extracts

• They only contain chemicals if they come from ingredients manufactured in a lab

• they contain chemicals whether they come from natural sources or from ingredients manufactured in a lab

Any substance that occupies space and has weight is

• a chemical

• matter

• potentially dangerous

• a beauty product

Everything you can touch and everything you can see is matter EXCEPT

• liquids and gases

• chemicals and powders

• light and electricity

• living and once-living bodies

Which of the following is the simplist form of chemical matter?

• a liquid

• a gas

• an element

• a chemical

How many elements are known to science today?

• 118

• 108

• 81

• 18

Of all the elements known to science today, how many occur naturally on Earth?

• 18

• 19

• 89

• 98

_____ are the basic units of matter.

• Electrons

• Neutrons

• Protons

• Atoms

Which of the following is an example of a compound molecule?

• the oxygen we breathe

• the ozone layer

• common table salt

• pure nitrogen