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5.1 The nuclear model of the atom

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Question 240

The proton numbers and nucleon numbers of four nuclides are shown:

82206Pb83209Bi84211Po85215At ^{206}_{82}\text{Pb} \qquad ^{209}_{83}\text{Bi} \qquad ^{211}_{84}\text{Po} \qquad ^{215}_{85}\text{At} 82206​Pb83209​Bi84211​Po85215​At

Which statement is correct?

A

Lead (Pb\text{Pb}Pb) contains one more neutron than bismuth (Bi\text{Bi}Bi).

B

Bismuth (Bi\text{Bi}Bi) contains one more proton than lead (Pb\text{Pb}Pb).

C

Polonium (Po\text{Po}Po) contains one more neutron than astatine (At\text{At}At).

D

Astatine (At\text{At}At) contains one more proton than lead (Pb\text{Pb}Pb).

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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