Skip to content

Course home

Sign up

2.1 Atomic structure

EasyMediumHard
12345678910111213141516171819
Question 15
H

The relative atomic mass of an element is 24.3. What does this value represent?

[1]
A

The mass of its most common isotope only

B

The weighted mean mass of its isotopes

C

The number of protons plus neutrons in each atom

D

The mass of one atom of the element in grams

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