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Bline Sem. 1 Final Exam Review

Total questions: 70

Worksheet time: 1hrs 16mins

Name
Class
Date
1.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
2.
Convert from meters to cm:  9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
3.
Convert 8 kilometers to meters
a)
800 m
b)
80,000 m
c)
8,000 m
d)
.008 m
4.
7,000 g = ____ kg
a)
70
b)
700
c)
7
d)
0.07
5.
 1234 mg = ___________ kg
a)
0.0001234
b)
0.001234
c)
0.01234
d)
0.1234
6.

Select the largest unit.

a)

kilogram

b)

centigram

c)

decigram

d)

decagram

7.

Select the smallest unit.

a)

decimeter

b)

meter

c)

hectometer

d)

kilometer

8.

How would you write 0.0005 in scientific notation?

a)

50 x 10-5

b)

5 x 10-4

c)

5 x 103

d)

.5 x 103

9.

Convert to scientific notation:


520,000,000

a)

52 x 107

b)

5.2 x 10-7

c)

5.2 x 108

d)

0.52 x 109

10.

The half-life of Uranium is 2.5 x 105 years. What is this in standard form?

a)

2500000

b)

250

c)

25000

d)

250000

11.

Write 4.83 x 10-6 in Standard Form.

a)

0.00048300

b)

0.00004830

c)

0.00000483

d)

0.00000438

12.

How many miles will a person run during a 10.0 kilometer race?

a)

6.2 miles

b)

6.21 miles

c)

1.61 miles

d)

1.6 miles

13.

The moon is 250,000 miles from earth. How many feet is that?

a)

47, 348 ft.

b)

47 ft.

c)

1.32 X 109 ft.

d)

1.3 X 109 ft.

14.

How many minutes are in a school year, 187 days?

a)

269,280 min.

b)

16, 200 min.

c)

16, 156 min.

d)

269,000 min.

15.

If a person weighs 125.0 lbs, how many milligrams do they weigh?

a)

56,820, 000 mg

b)

56,818,181 mg

c)

56, 820 mg

d)

56, 818 mg

16.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
17.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
18.

A sample of seawater has a mass of 158 g and a volume of 156 mL. What is the density?

a)

1.01 g/mL

b)

0.99 g/mL

c)

24,648 g/mL

19.

What is the density of an object with a mass of 120g and a volume of 7mL?

a)

17.14 g/mL

b)

0.058 g/L

c)

0.35 g/mL

20.

The Helium (He) atom in Group 18 has 2 protons and the mass number is 4. How many neutrons are in the Helium (He) atom?

a)

1

b)

2

c)

3

d)

4

21.

The Boron (B) atom in Group 13 has 5 protons and the mass number is 11. How many neutrons are in the Boron (B) atom?

a)

5

b)

6

c)

7

d)

8

22.

If a liquid has a density of 1.2 g/mL and a mass of 240 g, what is its volume?

a)

200 mL

b)

288 mL

c)

2 mL

d)

20 mL

23.

A container holds 500 mL of a liquid with a density of 0.8 g/mL. What is the mass of the liquid?

a)

400 g

b)

625 g

c)

0.16 g

d)

500 g

24.

If a liquid has a volume of 250 mL and a density of 1.5 g/mL, what is its mass?

a)

375 g

b)

166.67 g

c)

1.67 g

d)

250 g

25.

d = 24 g/ml

v = 1200 ml

m = ?

a)

28800 g

b)

50 g

c)

0.02 g

d)

65 g

26.

Calculate the volume of a liquid with a density of 5.45 g/ml and a mass of 65 g.

a)

11.93 ml

b)

0.083 ml

c)

354.25 ml

d)

59.55 ml

27.

On the periodic table, Groups are

a)

Horizontal rows

b)

Vertical columns

28.

On the periodic table, Periods are

a)

Horizontal rows

b)

Vertical columns

29.

What is a valence electron?

a)

Electrons in the first energy shell

b)

Electrons in the second energy shell

c)

Electrons in the outer shell

d)

Total number of electrons

30.

The innermost energy level has a maximum of how many electrons?

a)

1

b)

2

c)

6

d)

8

31.

Which element is this?

a)

Nickel

b)

Neon

c)

Sodium

d)

Nitrogen

32.

Name this element.

a)

Argon

b)

Chlorine

c)

Aluminum

d)

Boron

33.

Name this element.

a)

Neon

b)

Magnesium

c)

Sodium

d)

Manganese

34.

What is the atomic number of this atom?

a)

2

b)

4

c)

6

d)

8

35.

What is the mass number of this atom?

a)

1

b)

3

c)

4

d)

7

36.

What is this element?

a)

Beryllium (atomic #4)

b)

Boron (atomic #5)

c)

Carbon (atomic #6)

d)

Nitrogen (atomic #7)

37.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

38.

How many valence electrons?

a)

2

b)

3

c)

4

d)

5

39.

How many protons are in Gold

a)

79

b)

197

c)

118

d)

276

40.

How many electrons are in Gold

a)

79

b)

118

c)

197

d)

276

41.

How many neutrons are in Gold

a)

118

b)

79

c)

197

d)

276

42.

What atomic particle determines the element?

a)

protons

b)

neutrons

c)

electrons

d)

nucleus

43.

What particle(s) are located in the nucleus?

a)

protons only

b)

neutrons only

c)

electrons only

d)

protons and neutrons

e)

protons and electrons

44.

What particle in the atom has no charge and a mass of 1?

a)

proton

b)

neutrons

c)

electrons

d)

ion

45.

What particle(s) have a charge?

a)

protons only

b)

electrons only

c)

protons and electrons

d)

electrons and neutrons

46.

An atom of HELIUM has 2 protons. If you add 1 more proton, what happens?

a)

It becomes an ion

b)

It becomes a different kind of element

c)

Nothing

47.

(challenge) An atom has 10 protons and 10 electrons. What happens to the charge if you add 1 more electron?

a)

It becomes a negative ion

b)

It becomes a positive ion

c)

nothing changes

d)

It becomes a different element

48.

Which of the following is an example of physical change?

a)

Mixing baking soda and vinegar together, and this causes bubbles and foam.

b)

A glass cup falls from the counter and shatters on the ground.

c)

Lighting a piece of paper on fire and the paper burns up and leaves ashes.

d)

Baking a birthday cake for your mother.

49.

Which of the following is an example of chemical change?

a)

Filling up a balloon with hot air.

b)

Taking a glass of water and freezing it by placing it in the freezer.

c)

A plant collecting sunlight and turning it into food.

d)

Your dog ripping up your homework.

50.

When a new substance is formed with different properties than the original substance it is called a

a)

Chemical change

b)

Physical change

c)

Freezing

d)

Boiling

51.

Which is an example of a physical change?

a)

Metal rusting

b)

Silver tarnishing

c)

Water boiling

d)

Paper burning

52.

What characteristic best describes what happen during a physical change?

a)

Composition changes

b)

Composition stays the same

c)

Form stays the same

d)

Mass is lost

53.

Which is an example of chemical change?

a)

Water freezes

b)

Wood is cut

c)

Bread is baked

d)

Wire is bent

54.

Which of the following examples is a Homogeneous mixture?

a)

Tap Water

b)

Beach Sand

c)

Chocolate chip cookie

d)

Mud water

55.

True or False: Homogeneous mixtures have a uniform composition throughout.

a)

Sometimes

b)

True

c)

Depends on the temperature

d)

False

56.

What is a heterogeneous mixture?

a)

A mixture that has a uniform composition throughout.

b)

A mixture that cannot be separated into its components.

c)

A mixture that consists of visibly different substances or phases.

d)

A mixture that consists of only one substance or phase.

57.
all matter is made of what 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
58.

Which of these is an element?

a)

Salt (NaCl)

b)

Water (H20)

c)

Oxygen (O)

d)

Carbon Dioxide (CO2)

59.

Which of these is a compound?

a)

Aluminium (Al)

b)

Carbon Dioxide (CO2)

c)

Nitrogen (N)

d)

Sand

60.

Trail mix is an example of which type of mixture?

a)

homogeneous mixture

b)

heterogeneous mixture

c)

complex mixtures

d)

a solution

61.

The three main types of nuclear radiation are alpha, beta, and gamma. Which of the following lists these types of radiation from highest penetrating power to lowest penetrating power?

a)

alpha, gamma, beta

b)

beta, alpha, gamma

c)

beta, gamma, alpha

d)

gamma, beta, alpha

62.

Which equation correctly represents the alpha decay of polonium-214?

a)

A

b)

B

c)

C

d)

D

63.

This equation shows the radioactive decay of thorium (Th). Which of the following particles is released in this reaction?

a)

alpha

b)

beta

c)

neutron

d)

gamma

64.
a)

alpha particle

b)

beta particle

c)

neutron

d)

proton

65.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
66.

An isotope is a version of an element with the same number of protons but different number of __________.

a)

neutron

b)

electron

67.
Balance the following equation:
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
68.
Solve this equation for alpha decay.
88226Ra = ___ + 24He
a)
86222Rn
b)
89226Ac
c)
84224Po
d)
88225Ra
69.
Solve this equation for alpha decay.
85209At = ___ + 24He
a)
83205Bi
b)
86209Rn
c)
81207Tl
d)
85208At
70.
Solve this equation for beta decay.
614C = ___ + -10e
a)
410Be
b)
714N
c)
210He
d)
613C

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