Unit 1 Quiz Review

Question 1

Large chain like molecule built from many small molecules

Answer 1

Polymer

Question 2

Study of matter and its transformations

Answer 2

Chemistry

Question 3

Anything that occupies space and has mass

Answer 3

Matter

Question 4

Substances composed of one type of atom

Answer 4

Elements

Question 5

Independent of the amount of substance present

Answer 5

Intensive property

Question 6

Examples of intensive property

Answer 6

Color, hardness, malleability like melting temp, density

Question 7

varies with the quantity of the substance present

Answer 7

Extensive property

Question 8

Density equation

Answer 8

D = M / V

Question 9

Celsius to Kelvin equation

Answer 9

K = C + 273.15

Question 10

Smallest particle of an element that retains the characteristic chemical properties of that element

Answer 10

Atom

Question 11

Properties can change near the atomic scale, however, as shown by recent advances in nanotechnology

Answer 11

Physical

Question 12

A pure substance composed of two or more elements

Answer 12

Chemical compound

Question 13

What are some examples of chemical compounds?

Answer 13

H2O, NaCl, Sugar

Question 14

Can be observed and measured without changing the composition of a substance

Answer 14

Physical properties

Question 15

What are some examples of physical properties?

Answer 15

Color 
State of matter 
Melting point 
Boiling point 
Density 
Solubility 
Electric conductivity 
Malleability 
Ductility 
Viscosity

Question 16

1 cm ^3 =

Answer 16

1 mL

Question 17

Kelvin to Celsius equation

Answer 17

K-273.15

Question 18

Depend on the amount of substance present

Answer 18

Extensive properties

Question 19

Do not depend on the amount present

Answer 19

Intensive

Question 20

Identify of the substance is preserved

Answer 20

Physical changes

Question 21

Substance is transformed into one or more substances

Answer 21

Chemical

Question 22

Rigid, have fixed volumes and shapes

Answer 22

Solids

Question 23

Definitive volume but no fixed shape

Answer 23

Liquids

Question 24

No fixed volume or shape

Answer 24

Gas

Question 25

Volume of a given substance (blank) with decreasing temperature

Answer 25

Decreases

Question 26

Decreasing the temperature (blank) the density | Except?

Answer 26

Increases | Water

Question 27

Useful for describing and understanding physical states of matter

Answer 27

Kinetic molecular theory

Question 28

All matter consists of (blank) which are (blank)

Answer 28

Small particles, constant motion

Question 29

Method of converting from one system of units to another

Answer 29

Dimensional analysis

Question 30

1 megaton

Answer 30

1 x 10^6 tons

Question 31

1 kilometer

Answer 31

1 x 10^3 m

Question 32

1 decimeter

Answer 32

1 x 10^-1 m

Question 33

1 centimeter

Answer 33

1 x 10^-2 m

Question 34

1 millimeter

Answer 34

1 x 10 ^-3 m

Question 35

1 micrometer

Answer 35

1 x 10^-6 m

Question 36

1 nanometer

Answer 36

1 x 10^-9 m

Question 37

1 picometer

Answer 37

1 x 10^-12 m

Question 38

Mega

Answer 38

M | 10^6

Question 39

Kilo

Answer 39

k | 10^3

Question 40

Deci

Answer 40

d | 10^-1

Question 41

Centi

Answer 41

c | 10^-2

Question 42

Milli

Answer 42

M | 10^-3

Question 43

Micro

Answer 43

u | 10^-6

Question 44

Nano

Answer 44

n | 10^-9

Question 45

Pico

Answer 45

p | 10^-12