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6.1 Atomic structure and isotopes

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Question 10
F

A model represents an atom by a sphere of radius 20 cm. The nuclear radius is 110000\displaystyle \frac{1}{10000}100001​ of the atomic radius.

What nuclear radius should be used in the model, and where should almost all its mass be represented?

[1]
A

0.020 mm0.020\ \mathrm{mm}0.020 mm; outside the nucleus

B

0.020 mm0.020\ \mathrm{mm}0.020 mm; in the nucleus

C

2.0 mm2.0\ \mathrm{mm}2.0 mm; outside the nucleus

D

2.0 mm2.0\ \mathrm{mm}2.0 mm; in the nucleus

Markscheme

6.1 Atomic structure and isotopes Questions

  1. GCSE
  2. /Physics
  3. /6.1 Atomic structure and isotopes

103 exam-style questions on Edexcel GCSE Physics 6.1 Atomic structure and isotopes, covering 6.1.1 Structure of the atom, 6.1.2 Isotopes: atomic and mass number, 6.1.3 Sub-atomic particles: masses and charges, and 6.1.4 Electron orbits and energy changes. Each one has a worked solution and a mark scheme showing where the marks go.

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