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5.1.2a Composition of the nucleus and isotopes

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Question 2

Bismuth is a radioactive element with the chemical symbol Bi\text{Bi}Bi. The proton number for bismuth is 83. Bismuth-210 is an isotope of bismuth that has a nucleon number of 210.

a.

Write the nuclide notation for bismuth-210.

[1]
b.

Determine the number of neutrons in one nucleus of bismuth-210.

[1]
c.

The half-life of bismuth-210 is 5.0 days. A sample contains 48 mg of bismuth-210. Calculate the time taken for the mass of bismuth-210 in the sample to decay from 48 mg to 6.0 mg.

[2]
Markscheme

5.1.2a Composition of the nucleus and isotopes Questions

  1. IGCSE
  2. /Physics
  3. /5.1.2a Composition of the nucleus and isotopes

170 exam-style questions on CIE IGCSE Physics 5.1.2a Composition of the nucleus and isotopes. Each one has a worked solution and a mark scheme showing where the marks go.

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