Radioactivity and Half-Life Quiz
Authored by Samuel Che
Physics
9th Grade
NGSS covered
Used 8+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process by which an unstable atomic nucleus loses energy by emitting radiation?
electron capture
radioactive decay
nuclear fusion
alpha decay
Tags
NGSS.HS-PS1-8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of radioactive decay involves the emission of an alpha particle?
Beta decay
Gamma decay
Neutron decay
Alpha decay
Tags
NGSS.HS-PS1-8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for an alpha particle?
C
B
A
α
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of radioactive decay involves the emission of a beta particle?
Beta decay
Neutron decay
Gamma decay
Alpha decay
Tags
NGSS.HS-PS1-8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the symbol for a beta particle?
B
Β
b
β
Tags
NGSS.HS-PS1-8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of a radioactive substance?
The half-life of a radioactive substance is the time it takes for half of the substance to decay or transform into another element or isotope.
The half-life of a radioactive substance is the time it takes for the substance to completely decay or transform into another element or isotope.
The half-life of a radioactive substance is the time it takes for one-fourth of the substance to decay or transform into another element or isotope.
The half-life of a radioactive substance is the time it takes for the substance to double in size or quantity.
Tags
NGSS.HS-PS1-8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula to calculate the remaining amount of a radioactive substance after a certain number of half-lives?
Remaining Amount = Initial Amount * (1/2)^(Number of Half-Lives) + 1
Remaining Amount = Initial Amount * (1/2)^(Number of Half-Lives)
Remaining Amount = Initial Amount * (1/2)^(Number of Half-Lives) - 1
Remaining Amount = Initial Amount * (1/2)^(Number of Half-Lives) * 2
Tags
NGSS.HS-PS1-8
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