How many shared pairs of electrons are present in H2\mathrm{H_{2}}H2?
[1]
A
one
B
two
C
three
D
four
Markscheme
2.4 Covalent bonding Questions
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.