
y10 RC - U2: Radioactivity - QUIZ
Authored by Rocio Ceballos
Physics
10th Grade
Used 2+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Are these statements about ISOTOPES true or false?:
They have...
i) The same atomic number but different mass number
ii) The same number of protons but different number of neutrons
i) True
ii) False
i) False
ii) True
i) True
ii) True
i) False
ii) False
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This Plutonium nucleus is formed by...
94 protons
244 neutrons
94 protons
150 neutrons
244 protons
94 neutrons
None of these answers is correct
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits:
a particle with 2 protons and 2 neutrons
an electron (or a positron)
a high energy form of electromagnetic radiation
high energy neutrons
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beta decay or β-decay is a type of radioactive decay in which an atomic nucleus emits..
a particle with 2 protons and 2 neutrons
an electron (or a positron)
a high energy form of electromagnetic radiation
high energy neutrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The radioactive process shown in the figure is...
An alpha decay
A beta decay
A gamma decay
Nuclear fusion
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
In this decay equation, the missing numbers for the Uranium nucleus are...
239
94
235
92
234
93
243
96
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
In this decay equation, the numbers missing for the Thorium nucleus are
231
90
235
92
235
90
231
92
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