The concept of pH Whiteboard exercise Play

The C–X bond (1) Student activity Play

The density of gases Student activity Play

The determination of the empirical formula of ammonia Animation Play

The diverse abundance of the elements Student activity Play

The effect of external factors on the synthesis of ammonia Student activity Play

The effect of external factors on the synthesis of ammonia Whiteboard exercise Play

The electrolytic dissociation of phosphoric acid Animation Play

The electron configuration of an atom and its position in the periodic table Student activity Play

The electronegativity concept Student activity Play

The elements of life Student activity Play

The elements of life Chart Play

The elements of life Student activity Play

The emission and absorption of photons Simulation Play

The emission and absorption of photons Student activity Play

The energy levels of hydrogen atom Whiteboard exercise Play

The energy levels of hydrogen atom Simulation Play

The energy levels of hydrogen atom Student activity Play

The equilibrium constant Kp Student activity Play

The equilibrium for the decomposition of hydrogen iodide Animation Play

The genesis of fossil fuels Animation Play

The homologous series of alkanes Animation Play

The hydrogen bomb Student activity Play

The inner structure of the atom Student activity Play

The mechanism of substitution of ethanol with hydrogen chloride Animation Play