The importance of Drosophila melanogaster in genetic research Slideshow 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 meaning of the chemical formulae Whiteboard exercise 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 phenomenon of radiation Student activity Play

The phenomenon of radiation Audio text Play

The properties of chemical compounds and their constituent elements Student activity Play

The properties of chemical compounds and their constituent elements Slideshow Play

The reaction between nitrogen and hydrogen Animation Play

The reaction between sodium and water Animation Play

The reaction of sodium hydroxide solution with a solution of a zinc(II) salt Whiteboard exercise Play

The relationship between the electronegativity of elements and the chemical properties of their compounds Student activity Play

The role of enzymes in chemical digestion Animation Play

The stability of alkaline-earth-metal carbonates Student activity Play

The structure of the periodic table Student activity Play

The test cross and its application in research on linked genes Student activity Play

The theory of mutations Student activity Play

The unusual properties of beryllium Student activity Play

The unusual properties of beryllium Whiteboard exercise Play