Sigma (σ) bond Student activity Play

Sigma bonds in fluorine molecule Animation Play

Sigma bonds in hydrogen fluoride molecule Animation Play

Sign of values of trigonometric functions Whiteboard exercise Play

Silicon and aluminium oxides Animation Play

Silicon, phosphorus and sulphur chlorides Animation Play

Single carbon–carbon bond Animation Play

Sodium chloride Animation Play

Solubility of alcohols Animation Play

Solving equations involving the tangent function Animation Play

Solving problems Student activity Play

Solving problems Student activity Play

Solving problems involving circles Whiteboard presentation Play

Solving problems involving circles Class activity Play

Solving problems involving trigonometric ratios Whiteboard presentation Play

Solving problems involving trigonometric ratios Class activity Play

Solving problems using the tangent theorem Simulation Play

Solving problems using the tangent theorem Student activity Play

Solving problems – the angles Whiteboard exercise Play

Solving triangles Whiteboard exercise Play

Solving triangles Student activity Play

Solving trigonometric equations Student activity Play

Solving trigonometric equations using the tangent function Whiteboard exercise Play

sp3 Hybridisation Student activity Play

Special location of terminal side Animation Play