GCSE Chemistry module: Periodic Tablebr br By the end of this topic you will have covered:br - Development of the Periodic Tablebr - Atomic structure and the Periodic Tablebr - Group 1 Alkali Metalsbr - Group 7 Halogensbr - Transition Elementsbr - Group 0 Noble Gasesbr br GCSE revision videos and apps from LearnersCloud:br br To find out more and to start a free trial visit:br br To download our video streaming app for iPad, visit:br br To download our video streaming app for iPhone, visit:br