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1.1 The particle model

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Question 6
F

Bohr improved the nuclear model of the atom.

What did Bohr's model add?

[1]
A

Electrons are embedded in a sphere of positive charge

B

Most of the mass is in a small, positively charged nucleus

C

Atoms contain much smaller negative particles called electrons

D

Electrons orbit the nucleus in shells at fixed distances

Markscheme

1.1 The particle model Questions

  1. GCSE
  2. /Physics
  3. /1.1 The particle model

44 exam-style questions on OCR GCSE Physics 1.1 The particle model, covering 1.1.1 Development of the atomic model, 1.1.2 Structure of the atom, 1.1.3 The size of atoms and small molecules, 1.1.4 Density, 1.1.5 Density and the states of matter, and 1.1.6 Density, mass and volume. Each one has a worked solution and a mark scheme showing where the marks go.

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