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Quiz 1 - Study Guide

Total questions: 84

Worksheet time: 1hrs 23mins

Name
Class
Date
1.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
2.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
3.
125,678,000: Change to scientific notation
a)
1.25678  x  1012
b)
.125678  x  10-9
c)
12.5678  x  108
d)
1.25678  x  108
4.
Which number is correctly written in scientific notation?
a)
8.2 x 102
b)
82 x 107
c)
3.45 x 94
5.

How many significant figures are there in 1225?

a)

1

b)

2

c)

3

d)

4

6.

How many significant figures are in there in 1.0027?

a)

2

b)

3

c)

4

d)

5

7.

How many significant figures are there in 0.024574?

a)

0

b)

3

c)

5

d)

7

8.

How many significant figures are there in 0.024507400?

a)

5

b)

6

c)

7

d)

8

9.

How many significant figures are there in 22.2022?

a)

4

b)

6

c)

3

d)

2

10.
You place a rock on the electronic balance an it measures a mass of 12.38 g.  The estimated digit is....
a)
1 
b)
2
c)
3
d)
8
11.
Volume?
a)
63.5 mL
b)
63 mL
c)
63.55 mL
d)
6 mL
12.

Volume?

a)

48 mL

b)

48.2 mL

c)

48.25 mL

d)

4 mL

13.
Scientific Notation is made up of two number parts. The second part is a power of base 10.
a)
True
b)
False
14.

What is the base unit for measuring volume?

a)

liters

b)

meters

c)

grams

d)

seconds

15.
What is the density of an object having a mass of 8.0 g and a volume of 25 cm3?
a)
0.32 g/cm3
b)
2.0 g/cm3
c)
3.1 g/cm3
d)
200 g/cm3
16.
What is the measurement 111.009 mm rounded off to four significant digits?
a)
111 mm
b)
111.0 mm
c)
111.01 mm
d)
110 mm
17.
What is the SI unit of mass?
a)
liter
b)
joule
c)
candela
d)
kilogram
18.
1. The base unit for the length in metric system is:
a)
centimeters
b)
meters
c)
inches
d)
yards
19.
What is the mass of 20.0 mL solution if its density is 1.84 g/mL?  
a)
10.8 g 
b)
21.8 g 
c)
10.9 g 
d)
36.8 g
20.

Which of the following choices best represents the length reading from the metric ruler pictured?

a)

87 mm

b)

87.4 mm

c)

87.40 mm

d)

87.400 mm

21.

Which of the following choices best represents the length reading from the metric ruler pictured?

a)

8.5 cm

b)

8.45 cm

c)

8.450 cm

d)

8 cm

22.

A graduated cylinder that has markings that indicate tenths of a mL requires a measurement written to the (a)   place.

23.
What tool is used to measure liquid volume?
a)
meter stick
b)
triple beam balance
c)
LxWxH
d)
Graduated Cylinder
24.
What is the metric unit for temperature?
a)
Kelvin
b)
Celsius
c)
Farenheit
d)
Absolute zero
25.
What option is used to determine the volume of an irregularly shaped object?
a)
water
b)
beaker
c)
graduated cylinder
d)
water displacement
26.
How many grams are in a kilogram?
a)
100
b)
1000
c)
10
d)
0.001
27.
What is the volume of the block?
a)
25 cubic centimeters
b)
33 cubic centimeters
c)
8 cubic centimeters
d)
58 cubic centimeters
28.

How many centimeters are there in 1 inch?

a)

0.5

b)

2.54

c)

3.14

d)

1.5

29.

Convert 10 kilograms to pounds.

a)

20 pounds

b)

22.0462 pounds

c)

25 pounds

d)

15 pounds

30.

Convert 500 milliliters to liters.

a)

50

b)

0.5

c)

5

d)

0.05

31.

Convert 100 grams to ounces.

a)

3.5

b)

4.5

c)

3.5274

d)

2.5

32.

Convert 3 meters to yards.

a)

3.281

b)

3.28

c)

3.28.084

d)

3.28084

33.

Convert 1000 grams to kilograms.

a)

1

b)

10

c)

100

d)

0.1

34.

Convert 2 kilometers to miles.

a)

1.24

b)

1.25

c)

1.24274238

d)

1.23

35.
Name the lab equipment. 
a)
wire gauze
b)
evaporating dish
c)
ring stand
d)
crucible
36.
Name the lab equipment. 
a)
test tube rack
b)
test tube holder
c)
tweezers
d)
tongs
37.
Name the lab equipment. 
a)
tweezers
b)
crucible tongs
c)
test tube holder
d)
test tube rack
38.
Name the lab equipment.
a)
Ring Stand
b)
Flask
c)
Beaker
d)
Bunsen Burner
39.
What should you do if you break glass in the lab?
a)
Tell the teacher, sweep up the glass, and put it in the broken glass container
b)
Tell the teacher, sweep up the glass, and dump it into the garbage
c)
Pick up the glass with your hands
d)
Ignore it; the teacher will clean it up
40.
This piece of equipment is used to cover containers such as test tubes.
a)
slide
b)
stopper
c)
beaker
d)
test tube
41.
Identify the equipment shown here:
a)
beaker
b)
Erlenmeyer flask
c)
Florence flask
d)
volumetric flask
42.

Return all unused chemicals to their original containers.

a)

True

b)

False

43.

If a laboratory fire erupts, immediately

a)

notify your instructor.

b)

run for the fire extinguisher.

c)

throw water on the fire.

d)

open the windows.

44.

This symbol commonly is found in

chemistry labs and on trucks carrying

hazardous materials. What does it

mean?

a)

(a) acid, touching it will lead to what you see in the picture

b)

(b) harmful to living tissue, touching it is a bad plan

c)

(c) dangerous liquid, don't touch

d)

(d) cut or burn hazard, both living and non-living material

e)

(e) corrosive, no touchy-touchy

45.
It's fine to smell chemicals directly from their containers.
a)
True
b)
False
46.
Identify the picture
a)
Lab Apron
b)
Lab T-shirt
c)
Lab coat
d)
Lab Vest
47.
a)

beaker

b)

graduated cylinder

c)

Erlenmeyer flask

d)

test tube

48.
a)

evaporating dish

b)

watch glass

c)

mortar and pestle

d)

funnel

49.
a)

ring stand

b)

ring clamp

c)

test tube rack

d)

test tube holder

50.
a)

scoopula

b)

dropper

c)

crucible tongs

d)

glassware tongs

51.
Solve and round accordingly.
"7.9 + 9.19 + 75.351"
a)
92.4
b)
92.441
c)
92.44
d)
92
52.
Solve and round accordingly. 
"800.0 + 62.050 - 700"
a)
162.05
b)
200
c)
162.050
d)
162.1
53.
Solve and round accordingly. 
"791.6 x 52"
a)
41000
b)
41
c)
41160
d)
41200
54.
Solve and round accordingly. 
"730 / 1.89"
a)
390
b)
386.243
c)
386
d)
386.24
55.
Divide (7.78 x 10 ^8) / (9.67 x 10 ^-9) and express in scientific notations.
a)
8 x 10 ^16
b)
7 x 10 ^15
c)
8 x 10 ^15
d)
7 x 10 ^16
56.

Calculate 12.34 + 1.234 + 0.1234 and give your answer with the appropriate number of significant figures.

a)

13.6974

b)

13.697

c)

13.70

d)

13.7

57.
Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.
a)
7.45 m
b)
7.447 m
c)
7.4 m
d)
7.5 m
58.
Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.
a)
1.0 m2
b)
1.1 m2
c)
1.0947 m2
d)
1.09 m2
59.

Solve and round to the correct number of significant figures.


1.678 / 0.42

a)

4.0

b)

3.99

c)

3.9

d)

4

60.

Solve and round accordingly.

100. x 4.0 x 3

a)

1000

b)

1000.

c)

1200.

d)

1200

61.

Matter can be classified in:

a)

Mixtures and Compounds

b)

Substances and Elements

c)

Mixtures and Substances

d)

Elements and compounds

62.

NH3 is a:

a)

Mixture

b)

Element

c)

Compound

d)

Particle

63.

Water and sugar dissolved is an example of:

a)

Compound

b)

Homogeneous mixture

c)

Substance

d)

Heterogeneous mixture

64.

What mixture is an heterogeneous mixture?

a)

Soluble coffee in water

b)

Sand and water

c)

Perfume

d)

Apple juice

65.

The mixtures where components CAN NOT be distinguished at simple sight:

a)

Homogeneous

b)

Heterogeneous

c)

Homogeneous and heterogeneous

d)

None

66.

Tap water is:

a)

Homogeneous mixture

b)

Heterogeneous mixture

c)

Substance

d)

Compound

67.
What is burning an example of?
a)
physical change
b)
physical property
c)
chemical change
d)
chemical property
68.
When you break a cracker into pieces it is a 
a)
Chemical change
b)
Physical change
c)
Chemical Weathering
d)
Physical Weathering
69.
Salt dissolving in water is an example of what?
a)
A physical change
b)
A chemical change
c)
A physical property
d)
A chemical property
70.
Milk sours (goes bad)
a)
physical change
b)
chemical change
c)
physical property
d)
chemical property
71.
Which of the following examples shows that a chemical reaction has occurred? 
a)
A rock breaks into smaller pieces when it is struck with a hammer.
b)
Rust forms on a hammer that has been left outside to long. 
c)
A cup of water turns pink when a few drops of red food coloring are added. 
d)
A solid is formed when heat is removed from a sample of water. 
72.
Four students performed four different investigations by combining different substances. Their results are shown in the table provided. In which experiment are new substances being formed?
a)
Experiment 1
b)
Experiment 2
c)
Experiment 3
d)
Experiment 4
73.

Water boils

a)

physical property

b)

physical change

c)

chemical property

d)

chemical change

74.

Which of the following is a sure sign that a chemical reaction has occurred?

a)

odor

b)

color change

c)

a substance breaks apart

d)
dissolving
75.

Uranium is used in nuclear reactors and is a rare element on earth. Uranium has three common isotopes. If the abundance of 234U is 0.01%, the abundance of 235U is 0.71%, and the abundance of 238U is 99.28%, what is the average atomic mass of uranium?

a)

100 amu

b)

327.889amu

c)

237.98 amu

d)

240 amu

76.
Which particle has a positive charge?
a)
electron
b)
orbital
c)
proton
d)
neutron
77.
An electron has a _____ charge.
a)
negative
b)
positive
c)
neutral
78.
The particles of the atom you can find by knowing the atomic number.
a)
neutrons
b)
protons and electrons
c)
protons and neutrons
d)
atomic mass
79.
An element with a mass number of 10 and an atomic number of 6 has how many protons?
a)
5
b)
8
c)
6
d)
10
80.
Most of the mass of an atom is contained here.
a)
electron orbitals 
b)
nucleus
c)
shells
d)
atomic #
81.
What is the number that gives you the element and the number of protons contained in each elemental atom?
a)
atomic mass
b)
mass number
c)
symbol
d)
atomic #
82.
DIFFERENT kinds of atoms chemically combined to form a substance are
a)
Mixture
b)
Element
c)
Compound
d)
Substance
83.
The mass number of an isotope is equal to the number of ______ in an atom.
a)
Protons
b)
Neutrons
c)
Protons + Neutrons
d)
 Electrons
84.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18

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