Skip to content

Course home

Sign up

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

EasyMediumHard
12345678910111213141516171819202122232425
Question 24
F

An element has two isotopes. In every 10 atoms of the element, 8 atoms have a mass number of 35 and 2 atoms have a mass number of 37. What is the relative atomic mass of this element?

[1]
A

35.0

B

36.0

C

35.4

D

35.5

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

40 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.

Question bank