Sodium chloride formation Animation Play

sp3 Hybridisation Student activity Play

Stable electron configuration of neon, Ne Student activity Play

Standard enthalpy of combustion Student activity Play

Standard enthalpy of combustion Whiteboard exercise Play

Standard enthalpy of formation for ionic compounds Student activity Play

Standard Model Animation Play

Standard Model Whiteboard exercise Play

Standard Model Student activity Play

Stresses Whiteboard presentation Play

Stresses Class activity Play

Structure and properties of water Student activity Play

Structure of gels Animation Play

Structure of the periodic table of the elements Animation Play

Substances in the placenta Whiteboard exercise Play

Surface of a cone Student activity Play

Temperature of the atmosphere Simulation Play

The arrangement of electrons in an atom Whiteboard exercise Play

The arrangement of electrons in an atom Student activity Play

The atomic and ionic radii Animation Play

The atomic and ionic radii of halogens Slideshow Play

The atomic mass and the diameter of atom Illustration Play

The atomic masses of chemical elements in the periodic table Animation Play

The atomic spectrum of an element Animation Play

The atomic spectrum of hydrogen Animation Play