Percentages Whiteboard exercise Play

Percentages, percentages Student activity Play

Periodic trends in the chemical properties of elements Class activity Play

Periodic trends in the chemical properties of elements Whiteboard presentation Play

pH and the ionic product of water Student activity Play

pH as the universal acidity measure Whiteboard presentation Play

pH as the universal acidity measure Class activity Play

pH calculations Animation Play

Plan and choose (1) Student activity Play

Plan and choose (2) Student activity Play

Position in the periodic table Student activity Play

Position in the periodic table Whiteboard exercise Play

Position of an element in the periodic table Whiteboard exercise Play

Position of elements in the periodic table Animation Play

Position of metals, non-metals and metalloids in the periodic table Animation Play

Position of the transition metals in the periodic table Animation Play

Practical applications of the periodic table Whiteboard exercise Play

Practical applications of the periodic table Student activity Play

Producing of the rubbish Animation Play

Pythagorean triple Animation Play

Pythagorean triples Student activity Play

Pythagorean triples Whiteboard exercise Play

Qualitative qualities and quantitative qualities Whiteboard exercise Play

Random sampling Animation Play

Random sampling, qualitative qualities Student activity Play