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5.1 The nuclear model of the atom

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Question 8
a.

State the names of three types of nuclear radiation.

  1. .......................................................................................................................................

  2. .......................................................................................................................................

  3. .......................................................................................................................................

[3]
b.

In nuclide notation, 1123Na^{23}_{11}\text{Na}1123​Na represents one nuclide of sodium.

For one neutral atom of 1123Na^{23}_{11}\text{Na}1123​Na, state:

(i) the nucleon number ...................................................................................................................

(ii) the proton number ....................................................................................................................

(iii) the number of neutrons ..............................................................................................................

[3]
c.

Complete the sentence:

In a neutral atom, the number of protons is equal to the number of ................................................... .

[1]
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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