Group 1 - The Alkali Metals

Main trends:

As go down group 1, alkali metals:

• become more reactive - the outer electron is more easily lost as is further from nucleus
• have lower melting and boiling points

The alkali metals have low density. First three in group are less dense that water

They are:

• Lithium
• Sodium
• Potassium
• Rubidium
• Caesium

Alkali metals all have one outer electron - they are very reactive and all have similar properties

The alkali metals form Ionic…