Chapter 4

Question 1

formed when two or more substances chemically combine

Answer 1

Compounds

Question 2

able to dissolve examples: salt in water, sugar in water

Answer 2

Soluble

Question 3

occurs when particles in a substance separate and spread evenly

Answer 3

Dissolving

Question 4

are formed when two or more substances are evenly mixed

Answer 4

Solutions

Question 5

solid solution of metals and nonmetals

Answer 5

Alloy

Question 6

element that shares metal and nonmetal properties

Answer 6

Metalloid

Question 7

mixture of large particles evenly dispersed in a liquid or gas

Answer 7

Suspension

Question 8

substance in which the solute dissolves

Answer 8

Solvent

Question 9

process that separates liquids

Answer 9

Distillation

Question 10

they contain two or more elements

Answer 10

Compounds

Question 11

they have their own physical properties

Answer 11

Compounds

Question 12

they do not form randomly

Answer 12

Compounds

Question 13

formed by elements joining in a specific mass ratio

Answer 13

Compounds

Question 14

can be broken down through chemical changes

Answer 14

Compounds

Question 15

can include reactivity with acid, reactivity with oxygen , flammability

Answer 15

Chemical properties

Question 16

cannot filter out particles

Answer 16

Solutions and colloids

Question 17

chemical name for table salt

Answer 17

sodium chloride

Question 18

during photosynthesis, plants use carbon dioxide to make ——————————–

Answer 18

carbohydrates

Question 19

Sulfur is classified as
a. metal
b. non-metal
c. metalloid

Answer 19

B. non-metal

Question 20

gelatin, whipped cream, mayonnaise are all examples of

Answer 20

Colloids

Question 21

Water is classified as a

Answer 21

compound

Question 22

gold is classified as a

Answer 22

element

Question 23

Some bacteria can make ____________ from Nitrogen in the air

Answer 23

compounds

Question 24

are poor conductors of heat and electric current, are brittle, and dull

Answer 24

Non-metals

Question 25

Copper's symbol

Answer 25

Cu

Question 26

Carbon's symbol

Answer 26

C

Question 27

Hydrogen's symbol

Answer 27

H

Question 28

Iron's symbol

Answer 28

Fe

Question 29

2H 2 What is the first "2"

Answer 29

Coefficients

Question 30

2H 2 What is the "H"

Answer 30

Chemical symbol

Question 31

2H 2 What is the second"2"

Answer 31

Subscript

Question 32

H + O = H O 2 2 What is this

Answer 32

Chemical formula