The addition of hydrogen to alkenes Animation Play

The arrangement of chemical elements in the periodic table Animation Play

The atomic masses of chemical elements in the periodic table Animation Play

The atomic spectrum of hydrogen Animation Play

The Bohr model of the atom Whiteboard presentation Play

The Bohr model of the atom Class activity Play

The boiling points of alcohols Student activity Play

The bonds in the methanal molecule Animation Play

The carbonyl group in aldehydes and ketones Animation Play

The chemical compounds Whiteboard exercise Play

The chemical elements of life Slideshow Play

The chemical synthesis of ethanol Student activity Play

The circulation of matter in the environment Student activity Play

The complex structure of matter Animation Play

The compounds in our surroundings Animation Play

The concept of pH Student activity Play

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