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5.1 The nuclear model of the atom

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Question 176

A nuclide of aluminium can be represented by 1327Al^{27}_{13}\text{Al}1327​Al.

Which row gives the numbers of particles in a neutral aluminium atom?

number of electronsnumber of protonsnumber of neutronsA131314B141327C141413D272713 \begin{array}{|c|c|c|c|} \hline & \text{number of electrons} & \text{number of protons} & \text{number of neutrons} \\ \hline \text{A} & 13 & 13 & 14 \\ \hline \text{B} & 14 & 13 & 27 \\ \hline \text{C} & 14 & 14 & 13 \\ \hline \text{D} & 27 & 27 & 13 \\ \hline \end{array} ABCD​number of electrons13141427​number of protons13131427​number of neutrons14271313​​
A

Row A

B

Row B

C

Row C

D

Row D

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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