Skip to content

Course home

Sign up

2.4 Covalent bonding

EasyMediumHard
12345678910111213141516171819202122
Question 21
H

In a molecule of ethyne, C2H2\mathrm{C_{2}H_{2}}C2​H2​, the atoms are joined in a chain in the order H, C, C, H. Every atom has a full outer shell.

How many shared pairs of electrons are there in one molecule of ethyne?

[1]
A

3

B

4

C

5

D

10

Markscheme

2.4 Covalent bonding Questions

  1. GCSE
  2. /Chemistry
  3. /2.4 Covalent bonding

53 exam-style questions on Edexcel GCSE Chemistry 2.4 Covalent bonding, covering 2.4.1 Covalent bonding and simple molecules. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank