GCSE Chemistry Edexcel 1CH0

1: (d) Covalent bonding

#1.28

Explain how a covalent bond is formed when a pair of electrons is shared between two atoms

#1.29

Recall that covalent bonding results in the formation of molecules

#1.30

Recall the typical size (order of magnitude) of atoms and small molecules

#1.31

Explain the formation of simple molecular, covalent substances, using dot and cross diagrams, including:

a) hydrogen b) hydrogen chloride c) water d) methane e) oxygen f) carbon dioxide

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(c) Ionic bonding
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(e) Types of substance