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1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

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Question 13
F72%

Before the discovery of the electron, what were atoms thought to be?

[1]
A

Tiny spheres with a positive charge spread all the way through them

B

Tiny spheres with negatively charged particles embedded inside them

C

Tiny spheres with a small positively charged nucleus at their centre

D

Tiny spheres that could not be divided into anything smaller

Markscheme

1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes

93 exam-style questions on AQA GCSE Chemistry 1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, covering 1.1.1a Atoms, elements and compounds, 1.1.1b Half equations and ionic equations, 1.1.2 Mixtures, 1.1.3 The development of the model of the atom (common content with physics), 1.1.4 Relative electrical charges of subatomic particles, 1.1.5 Size and mass of atoms, 1.1.6 Relative atomic mass, and 1.1.7 Electronic structure. Each one has a worked solution and a mark scheme showing where the marks go.

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