Skip to content

Course home

Question bank·1.2 Atomic structure
Sign up

1.2 Atomic structure

EasyMediumHard
123456789101112131415161718192021222324252627282930
Question 27
H

Relative masses: proton = 1, neutron = 1, electron = 0.0005

What is the total relative mass of the protons, neutrons and electrons in one oxide ion, 816O2−{}^{16}_{8}\mathrm{O^{2-}}816​O2−?

[1]
A

16.000

B

16.004

C

16.005

D

26.000

Markscheme

1.2 Atomic structure Questions

  1. GCSE
  2. /Chemistry
  3. /1.2 Atomic structure

101 exam-style questions on OCR GCSE Chemistry 1.2 Atomic structure, covering 1.2.1 Development of the atomic model, 1.2.2 The nuclear model and the size of atoms, and 1.2.3 Subatomic particles in atoms and ions. Each one has a worked solution and a mark scheme showing where the marks go.

More questions