• 11.1 Group 13 Elements: The Boron Family

• 11.2 Important Trends and Anomalous Properties of Boron

• 11.3 Some Important Compounds of Boron

• 11.4 Uses of Boron and Aluminium and their Compounds

• 11.5 Group 14 Elements: The Carbon Family

• 11.6 Important Trends and Anomalous Behaviour of Carbon

• 11.7 Allotropes of Carbon

• 11.8 Some Important Compounds of Carbon and Silicon