
Practise writing formulas for ionic compounds and revise common positive and negative ions, using this lesson plan with activities

Turn 14–16 learners onto the key trends they need to understand for exam success with this poster, fact sheet and classroom activity

From helium to lithium and more, chemists are developing circular economies to preserve precious elements

Top tips and teaching ideas to help your students get to grips with the periodic table and its trends

How to go beyond the simplistic when teaching this topic at 11–14, to help students achieve success at 14–16
All Periodic table articles