The effect of pressure on chemical equilibrium Animation Play

The efficiency of a motor Animation Play

The efficiency of a motor Student activity Play

The electronegativity concept Student activity Play

The electronegativity of elements and the chemical properties of their compounds Whiteboard exercise Play

The energy changes during the course of a chemical reaction Animation Play

The enumeration method Student activity Play

The enumeration method Simulation Play

The equilibrium for the decomposition of hydrogen iodide Animation Play

The flow of chemical energy through the food chain Animation Play

The great hopes for gene therapy Student activity Play

The highest common factor Student activity Play

The importance of chemical reactions Student activity Play

The ionic character of s-block-metal compounds Whiteboard exercise Play

The ionic character of s-block-metal compounds Student activity Play

The ionic character of s-block-metal compounds Whiteboard exercise Play

The law of periodicity and the properties of elements Animation Play

The least squares method Whiteboard exercise Play

The least squares method Student activity Play

The meaning of the chemical formulae Whiteboard exercise Play

The method of finding lcm(a, b) Animation Play

The method of finding the sum of vectors Animation Play

The method of 'halving the arcs' Whiteboard exercise Play

The modern periodic table Animation Play

The modern periodic table (1) Student activity Play