Describing class intervals – alto singers Whiteboard exercise Play

Descriptions of ski-jumps Whiteboard exercise Play

Determination of the acidic properties of ethanol Animation Play

Determining the electron configuration on the basis of the periodic table Whiteboard exercise Play

Determining the electron configuration on the basis of the periodic table Student activity Play

Dilution of concentrated solutions Student activity Play

Displacement of metals from solutions of their salts by other metals Student activity Play

Displacement of metals from solutions of their salts by other metals Animation Play

Displacement reactions Student activity Play

Displacement reactions Class activity Play

Displacement reactions Whiteboard presentation Play

Dissociation of acids, bases and salts Class activity Play

Dissociation of acids, bases and salts Whiteboard presentation Play

Dissociation process Animation Play

Dissolution of salts Animation Play

Dissolving Student activity Play

Dissolving noble metals Animation Play

Dissolving of salt Animation Play

Distance – a more difficult problem Whiteboard exercise Play

Distance – a more difficult problem Student activity Play

Dmitri Mendeleev and the first periodic table Animation Play

Do alcohols have acidic properties? Student activity Play

Drawing conclusions Whiteboard exercise Play

Drawing conclusions Student activity Play

Effectiveness Whiteboard exercise Play