• 10.1 Group 1 Elements: Alkali Metals

• 10.2 General Characteristics of the Compounds of the Alkali Metals

• 10.3 Anomalous Properties of Lithium

• 10.4 Some Important Compounds of Sodium

• 10.5 Biological Importance of Sodium and Potassium

• 10.6 Group 2 Elements : Alkaline Earth Metals

• 10.7 General Characteristics of Compounds of the Alkaline Earth Metals

• 10.8 Anomalous Behaviour of Beryllium

• 10.9 Some Important Compounds of Calcium

• 10.10 Biological Importance of Magnesium and Calcium