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19 questions
What is the mass number of this isotope?
131
53
184
78
What is the atomic number of this isotope?
131
53
184
78
How many protons does this isotope have?
131
53
184
78
How many neutrons does this isotope have?
131
53
184
78
What is the name of this isotope?
Iodine-131
Iodine-53
Iodine-184
Iodine-78
An alpha particle is made up of
2 protons and 4 neutrons
1 proton and 1 neutron
2 protons and 2 neutrons
4 protons and 2 neutrons
Which type of nuclear radiation can be stopped by a sheet of paper?
Alpha
Beta
Gamma
Which type of nuclear radiation can be stopped 60 cm of aluminum or 7 cm of lead?
Alpha
Beta
Gamma
When a substance undergoes beta decay
The atomic number increases by 1
The atomic number decreases by 2
The atomic number does not change
A radioactive shoe is wrapped in 3mm of aluminum foil but radiation is still detected. What must be true?
The shoe emits alpha radiation
The shoe emits beta radiation
The shoe emits gamma radiation
Which type of nuclear decay did Radon-198 go through?
alpha decay
beta decay
gamma decay
What will the values of x and y be?
x=194, y =83
x=194, y =84
x=194, y =85
I don't know. I should probably study this stuff more before the test.
A sample of Radium-228 decays from 100g to 12.5g. How many half lives did it experience?
1
2
3
4
How much of a 250g sample would be left after 5 half lives?
125g
62.5g
31.25g
7.81g
If the half life of Uranium-240 was 10 years, how long would it take for it to decay from 310g to 80g?
10 years
240 years
20 years
30 years
This image shows
nuclear fission
nuclear fusion
This image shows
Nuclear fission
Nuclear fusion
This equation shows
Nuclear fission
Nuclear fusion
This equation shows
Nuclear fission
Nuclear fusion
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