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5.1 The nuclear model of the atom

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Question 186

One nuclide of carbon has 121212 nucleons and the other nuclide of carbon has 141414 nucleons. The proton number of carbon is 666.

a.

How many protons are there in a neutral atom of carbon-12?

[1]
b.

How many neutrons are there in a neutral atom of carbon-14?

[2]
c.

How many electrons are there in a neutral atom of carbon-14?

[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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