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5.1.1a Structure of the atom and ions

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Question 98

Which statement is correct for a neutral atom of any isotope?

A

The number of neutrons always equals the number of protons.

B

The nucleus contains positive protons and negative electrons.

C

The total charge of the electron cloud is equal in magnitude but opposite in sign to the charge of the nucleus.

D

The volume of the nucleus is approximately half the volume of the entire atom.

Markscheme

5.1.1a Structure of the atom and ions Questions

  1. IGCSE
  2. /Physics
  3. /5.1.1a Structure of the atom and ions

114 exam-style questions on CIE IGCSE Physics 5.1.1a Structure of the atom and ions. Each one has a worked solution and a mark scheme showing where the marks go.

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