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North Physical Science: Nuclear Review
North Physical Science: Nuclear Review
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Lakeville North physical science unit 9 nuclear review.
Flashcards
25 cards
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Questions
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Answers
1
Radioactivity is defined as
the process when particles are released from the nucleus dur
is the process by which an unstable nucleus emits one or mor
2
The following is an example of a(n)
gamma particle
alpha particle
beta particle
neutron
3
The following is an example of what type of reaction?
fission
beta decay
alpha decay
fusion
4
Half life is how long it takes something to __________
Split in half
Split in an eighth
Split in a quarter
Double
5
The following reaction is an example of:
Fission
Fusion
6
Which of the following would not be considered primary sources of energy?
Coal
Wood
Sun
Heat
7
This nuclear reaction is often used with "heavy" elements
Alpha decay
Fusion
Fission
Beta decay
8
The following equation would need which of the following particles to balance it?
alpha particle
beta particle
9
Isotope Z original sample was 15 grams, but now has 1.875 g in 60 yrs. T 1/2 = ___
12 years
15 years
20 years
30 years
10
The following is an example of a(n)
beta particle
gamma particle
neutron
alpha particle
11
The following is an example of which type of reaction?
beta decay
alpha decay
fission
fusion
12
This nuclear reaction is often used with "light" elements
Fusion
Fission
Beta decay
Alpha decay
13
The following reaction is an example of:
Fission
Fusion
14
For the following nuclear fission reaction, what element would it be?
Krypton (Kr)
Radium (Ra)
Strontium (Sr)
Thorium (Th)
15
Nuclear radiation is defined as
is the process by which an unstable nucleus emits one or mor
the process when particles are released from the nucleus dur
16
Which of the following is not a secondary source of energy?
Electricity from an outlet
Solar energy from the sun
Heat from a fireplace
Light from a lightbulb
17
The following is an example of a(n)
neutron
gamma particle
beta particle
alpha particle
18
The following is an example of a(n)
neutron
alpha particle
gamma particle
beta particle
19
The following equation would need which of the following particles to balance it?
beta particle
alpha particle
20
The definition of fission is
Releasing an electron
Releasing a helium nuclei
Splitting nuclei
Joining Nuclei
21
The definition for fusion is:
Releasing an electron
Joining of nuclei
Releasing a helium nuclei
Splitting of nuclei
22
Einstein's theory about how mass and energy relates is
e=mc
e=(m^2)(c^2)
e=m
e=mc^2
23
The half-life of a Isotope X is 13 min. Starting with 20 grams, how long to get 2.5 grams?
26 minutes
39 minutes
13 minutes
52 minutes
24
The following is an example of what type of reaction?
fission
beta decay
alpha decay
fusion
25
For the following nuclear fission reaction, what would the mass number be?
92
90
88
36
