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5.1 The nuclear model of the atom

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Question 239

A student writes the nuclide equation for a nuclear fusion reaction.

12H+12H→1AQ+11H ^{2}_{1}\text{H} + ^{2}_{1}\text{H} \rightarrow ^{A}_{1}\text{Q} + ^{1}_{1}\text{H} 12​H+12​H→1A​Q+11​H

What is the missing number A A\,A and the missing element symbol QQQ?

A

A=3A = 3A=3, Q=HQ = \text{H}Q=H

B

A=3A = 3A=3, Q=HeQ = \text{He}Q=He

C

A=4A = 4A=4, Q=HQ = \text{H}Q=H

D

A=4A = 4A=4, Q=HeQ = \text{He}Q=He

Markscheme

5.1 The nuclear model of the atom Questions

  1. IGCSE
  2. /Physics
  3. /5.1 The nuclear model of the atom

284 exam-style questions on CIE IGCSE Physics 5.1 The nuclear model of the atom, covering 5.1.1a Structure of the atom and ions, 5.1.1b Alpha-particle scattering, 5.1.2a Composition of the nucleus and isotopes, 5.1.2b Proton number, nucleon number and nuclide notation, and 5.1.2c Nuclear fission and nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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