P2 Physics - nucleur fission, fusion and life cycle of a star Flashcards
1
Q
what is nuclear fission?
A
the splitting of an nucleus
2
Q
what are the three steps that happen in nuclear fission?
A
nucleus splits into to smaller nuclei - these are radioactive
two or more neutrons are released
some energy is released
3
Q
what does nuclear fussion involve?
A
two atomic nuclei joining to make a large nucleus
