Chapter 7 Basics of Chemistry

Question 1

What is a cation?

Answer 1

ion with a positive charge

Question 2

What are elemental molecules?

Answer 2

molecules containing two or more atoms of the same element

Question 3

What is an atom or molecule that carries an electrical charge?

Answer 3

ion

Question 4

Why must estheticians understand basic chemistry?

Answer 4

to use professional products effectively and safely

Question 5

What is a uniform mixture of two or more mutually miscible substances?

Answer 5

solution

Question 6

What is a solute?

Answer 6

any substance that is dissolved by a solvent to form a solution

Question 7

What is the pH level of a neutral substance?

Answer 7

7.0

Question 8

What are unstable mixtures of two or more immiscible substances?

Answer 8

Suspensions

Question 9

What is the gaseous mixture that makes up the Earth’s atmosphere?

Answer 9

air

Question 10

What does lipophilic mean?

Answer 10

oil loving

Question 11

How do suspensions differ from solutions?

Answer 11

suspensions contain larger particles than solutions

Question 12

What are chemical combinations of two or more atoms of different elements called?

Answer 12

compound molecules

Question 13

What is the term for matter that has no fixed volume and no definite shape?

Answer 13

gas

Question 14

What is a mixture of two or more immiscible substances united with the aid of an emulsifier?

Answer 14

emulsion

Question 15

What occurs when an acid is mixed with an alkali in equal proportions to form water and a salt?

Answer 15

acid-alkali neutralization reaction

Question 16

Organic chemistry is the study of substances that contain what element?

Answer 16

carbon

Question 17

In chemistry, what is the term meaning “capable of being mixed”?

Answer 17

miscible

Question 18

What is a cation?

Answer 18

ion with a positive charge

Question 19

What is chemistry?

Answer 19

science that deals with matter and how it changes