Atomic structure and ionising radiation

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Question 58
Easy

The radius of a helium atom is 1.2 × 10-10 m.

The radius of its helium nucleus is 2.4 × 10-15 m.

Calculate the ratio of the radius of the helium atom to the radius of its nucleus. Give your answer as a standard number or in standard form.

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Atomic structure and ionising radiation Questions

  1. GCSE
  2. /Physics
  3. /Atomic structure and ionising radiation