Nuclear equations (Edexcel GCSE Physics Combined Science): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What determines which element an atom belongs to?
What determines which element an atom belongs to?
Number of protons
What does the mass number represent in a nuclear equation?
What does the mass number represent in a nuclear equation?
Total protons + neutrons
What does the atomic number represent?
What does the atomic number represent?
Number of protons
In alpha decay, how many protons does the nucleus lose?
In alpha decay, how many protons does the nucleus lose?
2 protons
By how much does the mass number decrease in alpha decay?
By how much does the mass number decrease in 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 happens to a neutron in beta-minus decay?
What happens to a neutron in beta-minus decay?
It turns into a proton
By how much does the atomic number change in beta-minus decay?
By how much does the atomic number change in beta-minus decay?
Increases by 1
What happens to a proton in beta-plus decay?
What happens to a proton in beta-plus decay?
It turns into a neutron
By how much does the atomic number change in beta-plus decay?
By how much does the atomic number change in beta-plus decay?
Decreases by 1
Why doesn't gamma decay change the element?
Why doesn't gamma decay change the element?
Gamma rays are pure energy
What happens to the mass and atomic numbers in gamma decay?
What happens to the mass and atomic numbers in gamma decay?
Both remain unchanged