P2 Physics - nucleur fission, fusion and life cycle of a star Flashcards Preview

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Flashcards in P2 Physics - nucleur fission, fusion and life cycle of a star Deck (3)
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1

what is nuclear fission?

the splitting of an nucleus

2

what are the three steps that happen in nuclear fission?

nucleus splits into to smaller nuclei - these are radioactive
two or more neutrons are released
some energy is released

3

what does nuclear fussion involve?

two atomic nuclei joining to make a large nucleus