The enthalpy change for the transformation of solid sulphur into gaseous sulphide ions Whiteboard exercise Play

The equation for a redox reaction Animation Play

The equilibrium for the decomposition of hydrogen iodide Animation Play

The flow of chemical energy through the food chain Animation Play

The formation of ionic compounds is exothermic Animation Play

The free energy change Whiteboard exercise Play

The hearing process Student activity Play

The importance of chemical reactions Student activity Play

The influence of solute particle size on the process of dissolution Animation Play

The influence of stirring on the process of dissolution Animation Play

The influence of temperature on the process of dissolution Animation Play

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

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

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

The law of periodicity and the properties of elements Animation Play

The life of bones – growth; destruction and formation Student activity Play

The meaning of the chemical formulae Whiteboard exercise Play

The mechanism of vision Student activity Play

The modern periodic table Animation Play

The modern periodic table (1) Student activity Play

The modern periodic table (2) Student activity Play

The nature of chemical reactions Student activity Play

The process of aerobic respiration and photosynthesis Whiteboard exercise Play

The process of alcoholic fermentation Animation Play

The process of carbohydrate digestion Whiteboard exercise Play