Quiz chapter 1 and 2

Question 1

What is a heterogenous mixture

Answer 1

things that dont mix well

Question 2

What is a homogenous mixture

Answer 2

things that mix well

Question 3

examples of a homogenous mixture

Answer 3

vinegar
air
sugar and water

Question 4

examples of a heterogenous mixture

Answer 4

concrete
sand and water
oil and water

Question 5

list me 5 Intensive properties

Answer 5

Boiling point
Melting Point
Temperature
Density
Color

Question 6

list me 5 Extensive properties

Answer 6

Volume
Mass
Size
Weight
Length

Question 7

How to find density

Answer 7

D=M/V

Question 8

how to find Mass

Answer 8

M=DxV

Question 9

List the 8 prefixes in order

Answer 9

P
n
mu
m
c
d
K
M
G

Question 9

how to find Volume

Answer 9

V=M/D

Question 10

how to calculate m/s to miles/h

Answer 10

x by 2.237

Question 11

How to find kelvin

Answer 11

k=c+273

Question 12

how to find celcius

Answer 12

c=k-273

Question 12

3 or less are called (suffix)

Answer 12

-ide

Question 13

How many electrons are present in Li^+ when Li^3

Answer 13

3-1=2

Question 14

3 or more are called (suffix)

Answer 14

-ate

Question 15

How to identify covalent compound

Answer 15

non metal + non metal

Question 16

How to identify ionic compound

Answer 16

non metal + Metal

Question 16

group 2 in the p table is named

Answer 16

alkaline metal

Question 17

group 16 in the p table is named

Answer 17

chalcogen

Question 18

group 17 in the p table is named

Answer 18

halogen

Question 19

atomic mass =

Answer 19

proton + neutron

Question 20

Fe^57 (Fe^26 in the p table) Find the neutrons

Answer 20

57 - 26 = 31

Question 21

How to find the pair of isotopes

Answer 21

When the bottom 2 numbers are the same

Question 22

Find the average atomic mass
20.5 — 31.16
75.3 — 34.30
4.2 — 35.30

Answer 22

After the long calculation your answer should be 33.70

Question 23

How many sig figs in (0.00023040)

Answer 23

5

Question 24

How many sig figs in (1040000)

Answer 24

7

Question 25

How many sig figs in (02000)

Answer 25

1

Question 26

How many sig figs in (10.0)

Answer 26

3