The determination of energy levels Animation Play

The discovery of positively charged particles Animation Play

The discovery of radioactivity Student activity Play

The discovery of the electron and Thomson's model of the atom Student activity Play

The distribution of electrons Animation Play

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

The electron configuration of an element and its position in the periodic table Animation Play

The emission and absorption of photons Student activity Play

The energy levels in a solid body Animation Play

The energy levels in a solid body Animation Play

The energy levels in a solid body Student activity Play

The first and second ionisation energies Animation Play

The first and second ionisation energies of the Group 2 elements Student activity Play

The flow of electrons through an electrolyser Animation Play

The heat conductivity of metals Animation Play

The main terms describing the structure of the atom Whiteboard exercise Play

The maximum number of electrons on the orbital Whiteboard exercise Play

The mitochondrion Slideshow Play

The octet rule Animation Play

The octet rule Animation Play

The passage of electrons through the electron transport chain Animation Play

The passage of electrons through the electron transport chain Student activity Play

The physical properties of alkali metals Animation Play

The physical properties of the s-block metals (1) Student activity Play

The physical properties of the s-block metals (2) Student activity Play