55446
Description
Quiz by hannah.pickard, updated more than 1 year ago
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Created by hannah.pickard
over 11 years ago
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Question 1
Question
How are protons and neutrons held together in the nucleus?
Answer
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A strong force that balances the repulsive forces between the protons
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Covalent bonding
Question 2
Question
What is Einstein's equation E=mc² used for?
Answer
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Calculate the amount of energy released during nuclear fusion and fission
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Calculate the amount of radiation is given off by an isotope
Question 3
Question
What happens in nuclear fission?
Answer
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A neutron splits a large and unstable nucleus, releasing more neutrons
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Two atoms join together
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