Inscribed angle in a semicircle Student activity Play

Intersection points of two circles Student activity Play

Ionic and atomic radii Student activity Play

Ionic and atomic radii Whiteboard exercise Play

Ionic radii of the s-block elements Student activity Play

Ionisation energy Student activity Play

Ionization of an atom Whiteboard exercise Play

Jupiter's moons Whiteboard exercise Play

Lattice formation enthalpy Whiteboard exercise Play

Lattice formation enthalpy Student activity Play

Lena's bike Whiteboard exercise Play

Lena's birthday cake Whiteboard exercise Play

Locus Student activity Play

Locus of all the points equidistant from two points Simulation Play

Making angles that are multiples of 60° Student activity Play

Metal chlorides Whiteboard exercise Play

Metal ions in water solution Student activity Play

Miscellaneous exercises Student activity Play

Miscellaneous exercises Student activity Play

Miscellaneous problems Student activity Play

Modern atomic model Student activity Play

Molecules with five or six covalent bonds Student activity Play

More complex examples in factorising by completing the square Student activity Play

More difficult example Whiteboard exercise Play

Mutual position and number of common points of two circles Whiteboard exercise Play