Negative scalars Student activity Play

Negative scalars Whiteboard exercise Play

Negative scale factor Animation Play

Nitriles – synthesis, reactivity Animation Play

Non-strictly monotonic functions Student activity Play

nth roots Student activity Play

Nucleophilic acyl substitution Animation Play

Number of roots for a negative discriminant Animation Play

Obtaining polycarbonates Animation Play

One or more anti-derivatives? Student activity Play

Other aromatic hydrocarbons Student activity Play

Other uses of halogens and their compounds Student activity Play

Oxidation states of halogens Animation Play

Oxidation states of the p-block elements in their commonest chemical compounds Student activity Play

Parallel and perpendicular lines Animation Play

Parametric function involving the trigonometric functions and its derivative Whiteboard exercise Play

Permanent dipoles Student activity Play

Permanent dipole–dipole moment Animation Play

Permanent dipole–permanent dipole forces Student activity Play

Permanent dipole–permanent dipole interaction in liquids and gases Animation Play

Photography Animation Play

Place value Whiteboard presentation Play

Place value Class activity Play

Plum-pudding model of atom Animation Play

Points with no tangent Student activity Play