Arrangement of chemical elements in the periodic table Student activity Play

Boron trichloride molecule Animation Play

Carbon – the unique chemical element Whiteboard exercise Play

Carbon – the unique chemical element Student activity Play

Carbon – the unique chemical element Animation Play

Dative (coordinate) bond Student activity Play

Determination of average atomic mass of boron Animation Play

Electron configuration of atoms Student activity Play

Electron configuration of elements Whiteboard exercise Play

Electron configuration of elements Student activity Play

Electron configuration of few first elements Animation Play

Electron configuration of some of the elements Animation Play

Essential elements Whiteboard exercise Play

Essential elements – macro-elements; trace elements and ultra-trace elements Student activity Play

Groups in the periodic table Student activity Play

Halogen lights Illustration Play

Hybridisation in boron trifluoride molecule Animation Play

Macro-elements; trace elements and ultra-trace elements Slideshow Play

Mass number Whiteboard exercise Play

Mass number Student activity Play

Mass spectra of the elements Student activity Play

Mass spectrum of boron Whiteboard exercise Play

Mixing of atomic orbitals: sp2 hybridisation Student activity Play

Molecules with three or four covalent bonds (1) Student activity Play

Properties of metals Class activity Play