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6.5 Uses and dangers of radioactivity

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Question 54

Use words from the box to complete the sentences about the nuclear fission of uranium-235 (U-235).


absorb	chain	electrons
fission	neutrons	split

During the process, a slow-moving neutron is absorbed by a uranium-235 nucleus, causing it to .......... This process releases energy and emits two or three .......... These emitted particles can then cause subsequent nuclei to undergo fission, creating a self-sustaining .......... reaction.

[3]

Markscheme

6.5 Uses and dangers of radioactivity Questions

GCSE
Physics
6.5 Uses and dangers of radioactivity

94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity. Each one has a worked solution and a mark scheme showing where the marks go.

6.5 Uses and dangers of radioactivity

Question bank

6.5 Uses and dangers of radioactivity

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57

Question 54

Use words from the box to complete the sentences about the nuclear fission of uranium-235 (U-235).


absorb	chain	electrons
fission	neutrons	split

[3]

Markscheme

6.5 Uses and dangers of radioactivity Questions

GCSE
Physics
6.5 Uses and dangers of radioactivity

94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity. Each one has a worked solution and a mark scheme showing where the marks go.