Physics - Atomic Structure

GCSE - AQA - atomic structure - alpha/beta/gamma radiation
Quiz by jordiwaks
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Last updated: June 9, 2022
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First submittedJune 8, 2022
Times taken6
Average score20.0%
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Hint
Answer
What happens to the atomic mass (top number) in a nuclear equation for alpha?
Decreases by 4
What happens to the atomic number (Bottom number) in a nuclear equation for alpha?
Decreases by 2
What happens to the atomic mass (top number) in a nuclear equation for beta?
Stays the same
What happens to the atomic number (Bottom number) in a nuclear equation for beta?
decreases by 1
number of nuclei that decay what is this the equation for?
time taken (secs)
Activity
How many protons are in an alpha particle?
2
How many Neutrons are in an alpha particle?
2
What makes up a beta particle?
1 electron
What is the mass of a gamma particle?
0
What stops alpha radiation?
paper
Hint
Answer
What stops beta radiation?
Thin aluminium sheet
What stops gamma radiation?
Thick metal
Which type of radiation is the most penetrating?
gamma
Which type of radiation is the most ionising?
Alpha
What is the main use of Alpha radiation?
treating cancer
What ist he main use of beta radiation?
smoke alarms
What is the main use of gamma radiation?
medicine
What is this the definition of? Time taken (secs) for half the nuclei to decay.
Half life
What is this the definition of? When 2 light nuclei (e.g., hydrogen) are joined to form a heavier nucleus.
nuclear fusion
What is this the definition of? The splitting of a large, unstable nucleus.
Nuclear Fission
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