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2.4 Covalent bonding

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Question 14
H

Carbon and silicon are in group 4, nitrogen and phosphorus are in group 5, oxygen and sulfur are in group 6 and chlorine is in group 7.

A student suggests three formulae for simple molecules in which every atom has a full outer shell.

Statement 1: SiCl4\mathrm{SiCl_{4}}SiCl4​

Statement 2: PH5\mathrm{PH_{5}}PH5​

Statement 3: CS2\mathrm{CS_{2}}CS2​

Which formulae are correct?

[1]
A

1 only

B

2 only

C

2 and 3 only

D

1 and 3 only

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.

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