Ranges of chemical shifts for hydrogen atoms found in organic molecules Chart Play

Reading the information included in the periodic table Whiteboard exercise Play

Relative abundance of isotopes and mass spectra Student activity Play

Relative atomic mass Student activity Play

Relative atomic mass Student activity Play

Sea water Student activity Play

Simplified notation of the configuration of an element Animation Play

Sodium cation Animation Play

Sodium cation Student activity Play

Spontaneous and stimulated emission Student activity Play

Stable electron configuration Animation Play

Stable electron configuration of neon, Ne Whiteboard exercise Play

Stable electron configuration of neon, Ne Student activity Play

Statements about atoms Whiteboard exercise Play

Statements about solids Whiteboard exercise Play

Symbols of isotopes Student activity Play

The constituents of dry air Illustration Play

The difference between an element and a compound Whiteboard exercise Play

The early theory of atoms by Democritus Animation Play

The mass proportion of atoms in copper(I) sulphide Animation Play

The number of atoms Illustration Play

The periodic table Student activity Play

The properties of solids Student activity Play

The proportion by mass of atoms Whiteboard exercise Play

The relative atomic mass Animation Play