The isotopic composition and mass spectrum of an element Illustration Play

The mass spectrum of chlorine gas Whiteboard exercise Play

The modern periodic table (1) Student activity Play

The molar mass Whiteboard exercise Play

The molar mass Student activity Play

The NMR spectrometer Whiteboard exercise Play

The NMR spectrometer Student activity 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 properties and function of chlorophyll Student activity Play

The radius of an orbit and the size of the atomic nucleus The radius of an orbit and the size of the atomic nucleus Whiteboard exercise Play

The range of the visible light spectrum Whiteboard exercise Play

The relationship between atomic structure and the position of elements in periods Whiteboard exercise Play

The relationship between atomic structure and the position of elements in periods Student activity Play

The relative atomic mass Animation Play

The relative atomic mass and its units Whiteboard exercise Play

The relative atomic mass of a natural element Animation Play

The relative atomic mass of an element Whiteboard exercise Play

The result of colour addition Whiteboard exercise Play

The Rutherford model of the atom Student activity Play

The shape of the radiation spectrum Animation Play

The spectra of galaxies Animation Play

The spectral lines in the atomic spectrum of hydrogen Animation Play

The spectrum for a greater number of slits Whiteboard exercise Play

The spectrum of white light Animation Play