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WorksheetsUnit 7 Test Review - Nuclear Chemistry
Total questions: 50
Worksheet time: 26mins
Name
Class
Date
1.
Which process produces alpha particles?
a)
Alpha decay
b)
Beta decay
c)
Gamma decay
d)
Nuclear fusion
2.
Which process produces beta particles?
a)
Alpha decay
b)
Beta decay
c)
Gamma decay
d)
Nuclear fusion
3.
Which process involves the joining of small nuclei?
a)
Beta decay
b)
Alpha decay
c)
Nuclear fission
d)
Nuclear fusion
4.
Which process involves the splitting of large nuclei?
a)
Beta decay
b)
Alpha decay
c)
Nuclear fission
d)
Nuclear fusion
5.
The time taken for half of an amount of radioactive atoms to decay.
a)
Nuclear fusion
b)
Full-life
c)
Dead time
d)
Half-life
6.
The nuclear process occurring at a nuclear power plant.
a)
Nuclear fusion
b)
Nuclear fission
c)
Combustion
d)
Multiplication
7.
Arrange in order of increasing ability to penetrate matter.
a)
Beta, gamma, alpha
b)
Alpha, gamma, beta
c)
Gamma, beta, alpha
d)
Alpha, beta, gamma
8.
Complete the sentence: As time passes the level of radiation produced by a radioactive material...
a)
Decreases
b)
Increases
c)
Remains constant
9.
Classify this process.
a)
Nuclear fission
b)
Nuclear fusion
c)
Alpha decay
d)
Beta decay
10.
What is meant by the statement that 3215P has a half life of 14 days
a)
It takes 7 days to go down to 50% radioactivity each time
b)
It takes 14 days to go down to 50% radioactivity each time
c)
After 14 days it starts to become less radioactive
d)
It takes 14 days to go up by 50% radioactivity each time
11.
In order of most to least penetrating radiation we have
a)
Alpha , Beta, Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
12.
The half life of Thorium-234 is 24 days. What fraction of the element remains after 96 days
a)
1/2
b)
1/4
c)
1/8
d)
1/16
13.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma
d)
none
14.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
15.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
16.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
17.
Which type of radioactive decay gives off energy only (no particles)?
a)
alpha
b)
beta
c)
gamma
18.
The time taken for half of an amount of radioactive atoms to decay.
a)
Nuclear fusion
b)
Full-life
c)
Dead time
d)
Half-life
19.
Gamma rays have a _____ charge
a)
0
b)
+1
c)
-1
d)
+2
20.
Alpha particles have a _____ charge.
a)
+2
b)
0
c)
+1
d)
-1
21.
The technetium-99 isotope has a half-life of 6.0 hours. If 100.0 mg were injected into a patient how much remains after 18 hours?
a)
33.0 mg
b)
12.5 mg
c)
.33 mg
d)
15.8 mg
22.
Beta particles have a _____ charge.
a)
+2
b)
0
c)
+1
d)
-1
23.
What would two different isotopes of an atom have in common?
a)
Number of neutrons
b)
Number of protons
c)
Atomic weight
d)
Atomic mass
24.
A nuclear reaction where a nucleus splits into two smaller nuclei is...
a)
Fission
b)
Fusion
c)
Gamma decay
d)
Beta decay
25.
What happens when the number of protons in an atom changes?
a)
The number of electrons changes too
b)
Usually nothing happens, unless the atom is radioactive
c)
The atomic nucleus explodes
d)
It becomes a completely different atom, with different properties
26.
What element is the ?
a)
Ag-115
b)
Cd-115
c)
Pd-115
27.
Which type of nuclear radiation is being emitted here?
a)
alpha
b)
beta
c)
gamma
d)
none
28.
Negatively charged particles found outside of the nucleus are called
a)
electron
b)
protons
c)
neutrons
d)
nucleons
29.
Positively charged particles found in the nucleus of an atom are called
a)
protons
b)
neutrons
c)
electrons
d)
isotopes
30.
Two or more nuclei combine to form one larger nucleus in the process of nuclear _____.
a)
Fusion
b)
Fission
c)
Tracing
d)
Decay
31.
This is an example of...
a)
Fission reaction
b)
Fusion reaction
c)
Decomposition reaction
d)
Combustion
32.
When nuclei decay, massive amounts of __________ is released.
a)
energy
b)
jello
c)
protons
d)
neutrons
33.
Has the highest penetrating power. Can penetrate our body. Even several cm thick of lead or several meters thick of concrete cannot stop all of it.
a)
Alpha
b)
Beta
c)
Gamma
34.
Has the lowest penetrating power. Can only penetrate 0.05 mm into the body and can be stopped by a piece of paper or clothing.
a)
Alpha
b)
Beta
c)
Gamma
35.
What type of nuclear reaction is this?
a)
alpha
b)
beta
c)
gamma
d)
hot
36.
If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:
a)
16
b)
32
c)
48
d)
64
37.
The time needed for half of a radioactive sample to decay is called its __________.
a)
decay period
b)
period
c)
transmutation time
d)
half-life
38.
Gamma rays damage human cells/tissue.
a)
True
b)
False
39.
The three types of nuclear radiation are _______ radiation, _________radiation, and _____________ radiation.
a)
alpha, beta, and gamma
b)
theta, beta, and kappa
c)
alpha, beta, positron
40.
radiation detector that makes use of a gas-filled metal tube
a)
scintillation counter
b)
Geiger counter
c)
neutron moderation
d)
neutron absorption
e)
film badge
41.
Bruce Banner has a PhD in nuclear physics.
a)
True
b)
False
42.
What turned me into the Hulk?
a)
Born with mutated genes
b)
Nuclear Explosion
c)
Ultraviolet Rays
d)
Gamma Rays
43.
What kind of spider did Spiderman get bit by?
a)
Venomous
b)
Poisonous
c)
Daddy Long Legs
d)
Radioactive
e)
Black Widow
44.
CORRECT logo- Instagram!!
a)
b)
45.
CORRECT logo- Youtube!!
a)
b)
46.
Which of the following phobias means the fear of the number 13?
a)
Hippopotomonstrosesquipedaliophobia
b)
Paraskevidekatriaphobia
c)
Triskaidekaphobia
d)
Xenoglossophobia
47.
How are hotels built with the superstition of 13 in mind?
a)
They don't have a 13th floor
b)
They always have more than 13 employees
c)
They don't have rooms with the number 13
d)
They make sure to have more than 13 guests staying there
48.
Picking up a penny will bring you good luck if...
a)
The penny is clean
b)
The penny is heads up
c)
The penny is old
d)
The penny is tails up
49.
Who lives in a pineapple under the sea?
a)
Squidward
b)
Patrick
c)
Spongebob
d)
Leafbob Circlepants
50.
On a standard traffic light, where is the green light located
a)
Middle
b)
Top
c)
Bottom
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