Trends in some properties of elements in the periodic table Animation Play

Types of mineral ions in the soil Animation Play

Using graphs to study reaction rates Student activity Play

What are alloys? Student activity Play

What can be predicted on the basis of the reactivity series? Slideshow Play

What is a displacement reaction? Student activity Play

Why atomic masses are not usually whole numbers? Student activity Play

Why do magnesium and chlorine form the compound MgCl2, but not MgCl? Animation Play

Why is barium sulphate(VI) less soluble in water than magnesium sulphate(VI)? Animation Play

Why some ionic compounds do not exist Student activity Play

Word equations for reactions Student activity Play

Writing chemical equations using symbols and formulae Student activity Play

Writing down chemical equations Animation Play