Skip to content

Course home

Sign up

2.1 Atomic structure

EasyMediumHard
12345678910111213141516171819
Question 12
H

An element contains 80% of an isotope with mass 10 and 20% of an isotope with mass 11. What is its relative atomic mass?

[1]
A

10.0

B

10.8

C

10.5

D

10.2

Markscheme

2.1 Atomic structure Questions

  1. GCSE
  2. /Chemistry
  3. /2.1 Atomic structure

46 exam-style questions on Edexcel GCSE Chemistry 2.1 Atomic structure, covering 2.1.1 Development of the atomic model, 2.1.2 Structure of the atom and subatomic particles, 2.1.3 Mass number, isotopes and relative atomic mass, and 2.1.4 Calculating relative atomic mass from isotopic abundance. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank