Valence-shell electron-pair repulsion theory (VSEPR theory) Whiteboard exercise Play

Variable types Animation Play

Variation of electronegativity within a group Whiteboard exercise Play

Variation of electronegativity within a group Student activity Play

Warning Slideshow Play

Water solutions of sulphuric acid and sulphurous acid Whiteboard exercise Play

Weak acids and weak bases Whiteboard presentation Play

Weak acids and weak bases Class activity Play

What are carboxylic acids? Student activity Play

What are carboxylic acids? Whiteboard exercise Play

What are the possibilities of transfusion? Student activity Play

What can we tell from the formula of a salt? Whiteboard exercise Play

What is titration about? Student activity Play

Why are compounds containing the –COOH group called acids? Student activity Play

Why are compounds containing the –COOH group called acids? Whiteboard exercise Play

Why salts of strong acids and strong bases produce neutral solutions Animation Play

Why salts of weak acids and strong bases produce alkaline solutions? Animation Play

Why some endothermic reactions are spontaneous? Animation Play

Why two acids or bases of equal concentrations may have different pHs Student activity Play

Xenon fluoride molecule Animation Play

Zwitterions Animation Play