The frequency of free oscillation Whiteboard exercise Play

The history of the electron microscope Slideshow Play

The inner structure of the atom Student activity Play

The ionic character of s-block-metal compounds Student activity Play

The kinetic energy of photoelectrons Student activity Play

The law of periodicity and the properties of elements Animation Play

The levels of energy Animation Play

The light and electron microscope Whiteboard exercise Play

The Lorentz force causes the path to bend Student activity Play

The maximum number of electrons on the orbital Whiteboard exercise Play

The mechanism of electrophilic substitution Animation Play

The octet rule Animation Play

The octet rule Animation Play

The origin of spectral lines Animation Play

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

The passage of electrons through the electron transport chain Animation Play

The period number and the number of electron shells Animation Play

The periodic table Student activity Play

The phenomenon of polarisability Animation Play

The physical properties of the s-block metals Whiteboard exercise 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

The planetary model of the atom Animation Play

The Plum Pudding Model Whiteboard exercise Play

The Plum Pudding Model Student activity Play