What is alpha decay?
Pre-Assessment Quiz on Nuclear Reactions

Quiz
•
Physics
•
11th Grade
•
Hard
Jahaira Montoya
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The process by which a nucleus emits an electron
The release of electromagnetic radiation from the nucleus
The splitting of a heavy nucleus into two lighter nuclei
The emission of 2 protons and 2 neutrons from the nucleus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During beta decay, a neutron in the nucleus of an atom is transformed into:
A proton and emits a gamma ray
A proton and emits an electron
An alpha particle
A proton and a neutron
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gamma decay involves:
The emission of helium nuclei
The conversion of neutrons into protons
The release of electromagnetic radiation without changing the number of protons or neutrons in the nucleus
The splitting of the nucleus into smaller parts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nuclear fission is best described as:
The combination of two light nuclei to form a heavier nucleus
The process of a nucleus emitting an alpha particle
The splitting of a heavy nucleus into two lighter nuclei, along with the release of energy
The transformation of a neutron into a proton
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nuclear fusion occurs when:
A nucleus emits a gamma ray
A heavy nucleus splits into two
Two light nuclei combine to form a heavier nucleus
A nucleus emits an alpha particle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The half-life of a radioactive isotope is the time required for:
The isotope to completely decay into its daughter isotopes
Half of the radioactive atoms in a sample to decay
The activity of the radioactive substance to reduce by half
Both B and C are correct
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a sample has a half-life of 10 years, how much of the original sample will remain after 30 years?
12.5%
25%
50%
75%
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