Matter

Question 1

it only has one identity

Answer 1

pure substances

Question 2

can be separated by physical means

Answer 2

mixture

Question 3

measure of an object’s inertia

Answer 3

matter

Question 3

found in nature as single atoms

Answer 3

monatomic

Question 4

mixture that id different throughout

Answer 4

heterogeneous

Question 5

cannot be separated by chemical means

Answer 5

elements

Question 5

found in nature as more than two atoms

Answer 5

polyatomic

Question 6

two or more atoms chemical combined

Answer 6

compound

Question 7

more then one identity

Answer 7

mixture

Question 8

found in nature in pairs

Answer 8

diatomic

Question 9

smallest unit is the atom

Answer 9

elements

Question 10

ratios do not matter

Answer 10

mixture

Question 11

smallest unit is the molecule

Answer 11

compound

Question 12

made of one type of atom

Answer 12

elements

Question 13

mixture that is the same throughout

Answer 13

heterogeneous

Question 14

what can a list of physical properties tell you about a substance? (two things)

Answer 14

identity and function

Question 15

why is melting wax a physical change?

Answer 15

because in the end its still wax

Question 16

is baking a cake a physical or chemical change? and why?

Answer 16

chemical change because you can’t get it back to what it was

Question 17

how do you know that burning wood is a chemical change?

Answer 17

because it can’t go back to what it was

Question 18

solid to a liquid

Answer 18

melting

Question 19

liquid to a solid

Answer 19

freezing

Question 20

liquid to a gas

Answer 20

vaporization

Question 21

gas to a liquid

Answer 21

condensation

Question 22

solid to a gas

Answer 22

sublimation

Question 23

definite volume but not a definite shape

Answer 23

liquid

Question 24

fills any container it is placed in

Answer 24

gas

Question 25

flows

Answer 25

gas, liquid

Question 26

definite volume and shape

Answer 26

solid

Question 27

atoms are far apart and move fast

Answer 27

gas

Question 28

atoms are close together and do not move much

Answer 28

solid

Question 29

atoms will move faster when heated and slower when cooled

Answer 29

solid, liquid and gas

Question 30

good conductor of heat and electricity

Answer 30

physical

Question 31

shiny

Answer 31

physical

Question 32

forms green carbonate when in contact air

Answer 32

chemical

Question 33

copper can be pounded into a bowl

Answer 33

physical

Question 34

barium melts at 725 degrees C

Answer 34

physical

Question 35

neon does not readily react with any other element

Answer 35

chemical

Question 36

the density of is 13.2g/ml

Answer 36

physical