Unit X: s -Block Elements

Unit X: s -Block Elements (Alkali and Alkaline Earth Metals) Group 1 & Group 2 Elements

Ø General introduction

Ø Electronic configuration

Ø Occurrence

Ø Anomalous properties of the first element of each group

Ø Diagonal relationship

Ø Trends in the variation of properties - such as:

· Ionization enthalpy

· Atomic and ionic radii

Ø Trends in chemical reactivity with:

·        Oxygen
·        Water
·        Hydrogen
·        Halogens

Ø Preparation and Properties of Some Important Compounds:

·        Sodium Carbonate
·        Sodium Chloride
·        Sodium Hydroxide
·        Sodium Hydrogen carbonate

Ø Biological importance of:

·        Sodium
·        Potassium
·        Magnesium
·        Calcium

Ø Industrial uses of:

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Rapid Revision Notes-