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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 12
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A laboratory has four pure substances.

SubstanceNameFormula
Wcopper sulfateCuSO4\text{CuSO}_4CuSO4​
XbromineBr2\text{Br}_2Br2​
YsilverAg\text{Ag}Ag
ZcarbonC\text{C}C

Which one of these substances can be broken down into different elements, but only by a chemical reaction?

[1]
A

Substance W, copper sulfate, CuSO4\text{CuSO}_4CuSO4​

B

Substance X, bromine, Br2\text{Br}_2Br2​

C

Substance Y, silver, Ag\text{Ag}Ag

D

Substance Z, carbon, C\text{C}C

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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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