Kirchhoff's First Law Student activity Play

Kirchhoff's First Law Simulation Play

Labelling the periodic table Whiteboard exercise Play

LDR (light-dependent resistor) Animation Play

LDR (light-dependent resistor) Whiteboard exercise Play

LDR (light-dependent resistor) Student activity Play

Lewis dot-and-cross diagram for a water molecule Animation Play

Lewis dot-and-cross diagrams Student activity Play

Lewis structure of a hydrogen molecule Animation Play

Lewis structures and electron configurations Whiteboard exercise Play

Lewis theory and earlier acid-base theories Animation Play

Lewis theory of acids and bases Student activity Play

Ligand exchange reactions Class activity Play

Ligand exchange reactions Whiteboard presentation Play

Ligand types Student activity Play

Light-dependent resistor LDR Student activity Play

Lightning Student activity Play

Lightning Animation Play

Limitations of Bohr's model of the atom Animation Play

Lone electron pairs affect the shape of the molecule Whiteboard exercise Play

Lone electron pairs affect the shape of the molecule Whiteboard exercise Play

Lone electron pairs affect the shape of the molecule (1) Student activity Play

Lone electron pairs affect the shape of the molecule (2) Student activity Play

Lorentz force Student activity Play

Macromolecular crystals Student activity Play