Determining the formula of a compound knowing the valence of its elements Student activity Play

Determining the formula of ammonium bromide Animation Play

Determining the formula of potassium carbonate Animation Play

Determining the molecular formula Animation Play

Determining the molecular formula Student activity Play

Determining the molecular formula Whiteboard exercise Play

Determining the molecular formula Animation Play

Difference of squares Student activity Play

Difference of squares Simulation Play

Difference of squares Student activity Play

Discovering bases Student activity Play

Discovering bases Whiteboard exercise Play

Dissociation constants of some bases Chart Play

Dissociation of acids Student activity Play

Distance formula in 3-dimensional space Student activity Play

Double-angle formula for the cosine Student activity Play

Double-angle formula for the cosine Whiteboard exercise Play

Double-angle formula for the sine Whiteboard exercise Play

Double-angle formula for the sine Student activity Play

Double-angle formula for the tangent Student activity Play

Double-angle formula for the tangent Whiteboard exercise Play

Drawing dots Student activity Play

Drawing dots Whiteboard exercise Play

Einstein's formula Student activity Play

Einstein's formula Animation Play