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Chemestry Test 1 Review

Total questions: 61

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

Chemistry originally developed from which area of philosophy?

a)

Alchemy

b)

Natural Science

c)

Astronomy

d)

Medicine

2.

Scientific investigation needs to always be:

a)

Cleanly

b)

Repeatable

c)

Done in a manner as to always follow the scientific method

d)

Completely safe

3.

How many significant figures does the following number have: 0.0080020

(a)  

4.

Which image shows precision but not accuracy?

a)

b)

c)

d)

5.

Which image shows accuracy but not precision?

a)

b)

c)

d)

6.

Convert the following to standard (decimal) form:

3.495 × 105



(a)  

7.

How many significant figures does the following number have: 0.002040

(a)  

8.

How many significant figures does the following number have: 0.0046

(a)  

9.

How would you write 4.3756 x 104 in standard (decimal) form?

(a)  

10.
Express the following in scientific notation:
.000457
a)
457 x 106
b)
457 x 10-6
c)
4.57 x104
d)
4.57 x 10-4
11.

How many sig. fig. are in the number below:
705000

(a)  

12.
Which measurement contains 3 sig figs?
a)
200 mL
b)
20.0 mL
c)
0.02 mL
d)
0.020mL
13.

Round 1047.78 to three sig figs

a)

1048

b)

1040

c)

1050

d)

1050.8

14.

Calculate the answer to the following problem and round the final answer to the correct number of sig figs:

4.627 / 0.00371 =

a)

1247.169811

b)

1250

c)

1247.17

d)

1247

15.

How would you write 564,000,000 in scientific notation?

a)

5.64 x 10-8

b)

564 x 106

c)

5.64 x 108

d)

56.4 x 107

16.

Which of the following has four significant figures?

a)

56.75 g

b)

40.01 g

c)

0.6000 g

d)

all of the choices

17.

Which image shows the highest precision?

a)

b)

c)

18.

Which image shows the highest accuracy?

a)

b)

c)

19.

Which image is both accurate and precise?

a)

b)

c)

d)

20.

How many significant figures?

7945

a)

1

b)

2

c)

3

d)

4

21.

How many significant figures does the following number have: 100.3

(a)  

22.

You are about to do a lab, but you have to pick which thermometer to use. In order to find out which is best, you place each of them in boiling water 3 different times, and then record the results below. Which of the thermometers you tested is the most precise?

Hint: ​ Water boils at 100°C

a)

101°C

107°C

92°C

b)

92°C

92°C

93°C

c)

103°C

99°C

105°C

23.

Convert the following to standard (decimal) form:

5.26 × 10-7



(a)  

24.

Convert the following to standard (decimal) form:

2.01 × 1012



(a)  

25.

Convert the following to standard (decimal) form:

3.475 × 105



(a)  

26.

If I have 0.5800 liters of sweet tea, and I want to perfectly divide it between 3 people, how many liters of tea would each person get? (Make sure your answer has the correct number of significant figures!)

(a)  

27.

If I have 1.02 liters of sweet tea, and I want to perfectly divide it between 6 people, how many liters of tea would each person get? (Make sure your answer has the correct number of significant figures!)

(a)  

28.

Write the answer to problem. Make sure your answer has the correct number of significant digits! 1.206 × 4.7 = ?1.206\ \times\ 4.7\ =\ ?

(a)  

29.

Write the answer to problem. Make sure your answer has the correct number of significant digits! 150 + 0.057150\ +\ 0.057

(a)  

30.

Write the answer to problem. Make sure your answer has the correct number of significant digits! 160.000 + 0.04160.000\ +\ 0.04

(a)  

31.
Write 0.037 in scientific notation.
a)
3.7 x 10-2
b)
3.7 x 102
c)
37 x 10-3
d)
37 x 103
32.
How do you write
1001
in scientific notation?
a)
1.0001 x 104
b)
1.01 x 105
c)
1.001 x 103
d)
10.1 x 103
33.
How many significant figures does the following number have: 100.3
a)
4
b)
3
c)
5
d)
2
34.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
35.

How many significant figures?

76400.0

(a)  

36.
How many significant figures: 1000 mL
a)
1
b)
2
c)
3
d)
4
37.

Put these numbers in order with the smallest on the left and the largest on the right

a)

2.06 x 10-13

b)

8.742 x 10-2

c)

0.72

d)

1.02 x 105

e)

5,200,000

1)
2)
3)
4)
5)
38.
How many significant figures: 1000 mL
a)
1
b)
2
c)
3
d)
4
39.

How many significant figures: 450 m

a)

3

b)

2

c)

1

d)

0

40.

How many significant figures are there in 0.0054 grams?

a)

2

b)

3

c)

4

d)

5

41.
How many significant figures: 0.012 km
a)
1
b)
2
c)
3
d)
4
42.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0
43.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
44.

In scientific notation if the exponent is a positive number the original number was...

a)

a really big number.

b)

a really small number.

45.

In scientific notation if the exponent is a negative number the original number was...

a)

a really large number.

b)

a really small number.

46.

How many significant figures are in the number 0.004560?

a)

2

b)

3

c)

4

d)

5

47.
How many Significant Figures in the number below?
4.56 x 103
a)
5
b)
4
c)
6
d)
3
48.
How many sig figs are there?
100.00
a)
1
b)
3
c)
4
d)
5
49.
How would you write the number 487 with 2 sig figs?
a)
400
b)
500
c)
490
d)
485
50.

the measurement of 0.037010 m has how many significant figures

a)

6

b)

5

c)

4

d)

3

51.
Round 1009 to three sig figs
a)
100
b)
101
c)
1010
d)
1000
52.

How many significant figures is 1.0 x 109?

a)

5

b)

6

c)

4

d)

1

e)

2

53.
Round 1047.78 to three sig figs
a)
104
b)
105
c)
1050
d)
1050.00
54.

Which of the following numbers has the least number of significant figures?

a)

0.0070

b)

700

c)

7.00

d)

0.070

55.
Which of the following numbers has three significant figures?
a)
1014 miles
b)
101 feet
c)
1000 yards
d)
all of the choices
56.
Determine the number of Significant Figures in 10-L.
a)
4
b)
3
c)
2
d)
1
57.
Calculate 5.50 cm + 5.5 cm and give your answer with the correct number of significant figures.
a)
11 cm
b)
11.0 cm
c)
11.00 cm
d)
11.000 cm
58.

Put the following in order with the smallest on the left.

a)

Quarks

b)

Subatomic Particles

c)

Atoms

d)

Molecules

1)
2)
3)
4)
59.

Silver is an example of which type of system?

a)

a quark

b)

an atom

c)

a molecule

d)

a subatomic particle

60.

One of the main goals of alchemy was to create the philosophers stone. Among other things, the philosophers stone was supposedly able to lead into _____.

a)

Water

b)

Oxygen

c)

Medicine

d)

Gold

61.

True or False: Overall, the practices of alchemy were harmful for society.

a)

True

b)

False

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