Nuclear equations — fission and decay

GCSE · Physics · Edexcel · CP6 — Radioactivity — alpha/beta/gamma, half-life, irradiation vs contamination, fission and fusion

Question

Edexcel 1PH0 Paper 2

(a) Write a nuclear equation for the alpha decay of Radium-226 (Ra, Z=88). (3 marks) (b) In nuclear fission, a uranium-235 nucleus absorbs a neutron to produce barium-141 and krypton-92. Write the equation and state how many neutrons are released. (3 marks) (c) Explain why nuclear fission releases large amounts of energy. (2 marks)

8 marks · take your time before peeking.

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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.