The+Periodic+Table

**The Periodic Table media type="youtube" key="DYW50F42ss8" height="344"

Group I elements - Alkali Metals** Physical Properties media type="youtube" key="9Lo_FFI6y9A" height="364" width="445"

Down the group, the reactivity of metals increases. media type="youtube" key="Ft4E1eCUItI" height="364" width="445"

Reactions of Caesium and Rubidium with Water media type="youtube" key="m55kgyApYrY" height="364" width="445"

**Group VII elements** **- Halogens** Physical Properties media type="youtube" key="yP0U5rGWqdg" height="364" width="445"

Reaction of halogen (eg. Chlorine) with alkali metals (eg. Sodium) media type="youtube" key="Ftw7a5ccubs" height="364" width="445"

Displacement Reactions media type="file" key="Video 3- halogen displacement.wmv" width="300" height="300"