Skip to content

Course home

Question bank·1.1 A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Sign up

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

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536
Question 18

A mineral sample contains an element with only two isotopes.

IsotopeMass number
A84
B86

The relative atomic mass of the element in this sample is 84.7.

Calculate the percentage abundance of isotope B in this element.

[3]
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.

More questions