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11 Cards in this Set
- Front
- Back
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A calcium atom looks like this 48 Ca 20
How many protons, neutrons and electrons are there (3 marks) |
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Calculate the charge of a 48 Ca 20 ion (1 mark) |
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Calculate the specific charge of a 48 Ca 20 ion (2 marks) |
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A positron is emitted when a proton changes to a neutron. Identify particles A, B, C and D |
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State the interaction responsible for this process (1 mark) |
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What letter represents an exchange particle (1 mark) |
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State one difference between this exchange particle and a photon (1 mark) |
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Energy and momentum must be conserved in this process.
State two other things that need to be conserved and show that they are being conserved in the process (2 + 2 marks) |
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Hadrons and leptons are two groups of particles. Write an account of how particles are placed into one or other of these two groups. Your answer should include: Type of interactions used to classify particles Examples of each type of particle Similarities between two groups How one group may be further divided
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Name one particle and one antiparticle (1 mark) |
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State one difference between this particle and its antiparticle (1 mark) |
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