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Flashcards in chapter 12 Deck (35)
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1

all hair color products are organic chemicals , which means they what?

contain carbon and hydrogen

2

what si the study of substances that lack the element carbon , but contain the element hydrogen?

inorganic chemistry

3

a characteristic of all inorganic substances is that they what

lack carbon

4

the simplest for of chemical matter that cannot be broken down without the loss of identity is a(n)?

element

5

there are how many naturally occurring elements, each with its own distinct physical and chemical properties?

98

6

the basi unit of matter , with a nucleus at the center surround by negatively charged electrons that move around the muscles in orbits, is a(n)?

atom

7

chemically combining two or more are produces a what?

molecule

8

the chemical combinations of two or more atoms of different elements product a what?

compound

9

sodium chloride is an example of a

compound molecule

10

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

liquid

11

what is an example of a chemical property

ability to rust

12

change in the form of a substance that does not cause a chemical reaction is a what change

physical

13

the oxidation of hair color is an example of a

chemical change

14

what type of chemical reaction results int eh oxidizing agent being reduced and the reducing agent being oxidized

redox

15

chemical reactions that are characterized by giving off heat are

exothermic

16

the rapid oxidation of a substance, accompanied by the production of heat and light is know as what?

combustion

17

a chemical combination of matter in definite (fixed) proportions is a what

pure substance

18

air contains many substances, including nitrogen,, carbon dioxide, and water vapor, and is an example of a what

physical mixture

19

a stable physical mixture of two or more substances in a solvent is a what

solution

20

a substance, usually liquid , that dissolves another substance to form a solution is a what

solvent

21

mutually soluble liquids that can be mixed together to form clear solutions are what

miscible

22

what and alcohol are what

examples of miscible liquids

23

an unstable physical mixture of two or more immiscible substances is a what

emulsion

24

substance that allow oil and water to mix, or emulsify are what

surfactants

25

being "capable of combining with or attacking water (water-loving)" is defined as

hydrophilic

26

" Having an affinity or attraction to fat and oils (oil-loving)" is defined as

lipophilic

27

what is an example of an oil in water emulsion of tow immiscible liquids

cold cream

28

substances used to neutralize acids or raise the pH of many hair products are

alkanolamines

29

what is an example of an ammonia compound that is used to perform chemical services in a salone

ammonium hydroxide

30

a sweet, colorless, oily substance that s used as a moisturizer in skin and body creams is what

glycerin