Radioactive Decay (AQA GCSE Physics): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of process is radioactive decay?
What type of process is radioactive decay?
A random process
What is the unit used to measure radioactive activity?
What is the unit used to measure radioactive activity?
Becquerel (Bq)
What is count-rate?
What is count-rate?
Decays recorded per second
What particles make up an alpha particle?
What particles make up an alpha particle?
2 protons and 2 neutrons
What is the ionising power of alpha radiation?
What is the ionising power of alpha radiation?
Highly ionising
Approximately how far can alpha radiation travel in air?
Approximately how far can alpha radiation travel in air?
5 cm
By how much does the mass number decrease during alpha decay?
By how much does the mass number decrease during alpha decay?
4
By how much does the atomic number decrease in alpha decay?
By how much does the atomic number decrease in alpha decay?
2
What is a beta minus particle?
What is a beta minus particle?
An electron
How does the atomic number change during beta decay?
How does the atomic number change during beta decay?
Increases by 1
What happens to the mass number during beta decay?
What happens to the mass number during beta decay?
Stays the same
How do gamma rays affect the charge and mass of a nucleus?
How do gamma rays affect the charge and mass of a nucleus?
They don't change either