Noble gases Class activity Play

Noble gases Whiteboard presentation Play

Number of electron shells Animation Play

Number of valence electrons Animation Play

Occurrence of halogens Slideshow Play

Oxidation state Whiteboard presentation Play

Oxidation state Class activity Play

Oxidation states of halogens Animation Play

Oxidation states of iron Animation Play

Oxidation states of manganese Animation Play

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

p-block elements Animation Play

Pasteurization Student activity Play

Patterns and formulas Student activity Play

Patterns and formulas – letter H Student activity Play

Percentage change Student activity Play

Percentage change in real life Student activity Play

Percentage change in real life Whiteboard exercise Play

Percentage increases and decreases Whiteboard exercise Play

Percentage increases and decreases Student activity Play

Period and primitive period Animation Play

Periodic models Student activity Play

Periodic models Whiteboard exercise Play

Periodic motions Animation Play

Periodic motions in physics Animation Play