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 reactions that occur in a gaseous mixture of AB and CD molecules Whiteboard exercise Play

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

The relative mass of hydrogen molecule Whiteboard exercise Play

The Rutherford model of the atom Animation Play

The Rutherford model of the atom Student activity Play

The size of a nucleus and an atom Animation Play

The size of an atom and a nucleus Whiteboard exercise Play

The size of an atom and a nucleus Student activity Play

The structure of alkadienes Animation Play

The structure of alkanes (1) Student activity Play

The structure of alkanes (2) Student activity Play

The structure of atomic nucleus Whiteboard presentation Play

The structure of atomic nucleus Class activity Play

The structure of the atom Class activity Play

The structure of the atom Whiteboard presentation Play

The structure of the atom Illustration Play

The structure of the atom Whiteboard presentation Play

The structure of the atom Class activity Play

The structure of the periodic table Illustration Play

The structure of the periodic table – groups (1) Student activity Play

The structure of the periodic table – periods Student activity Play

The Thomson model of atom Animation Play

The Thomson model of atom Whiteboard exercise Play

The three states of matter Animation Play