Molecules with three or four covalent bonds Whiteboard exercise Play

Molecules with three or four covalent bonds Whiteboard exercise Play

Molecules with three or four covalent bonds (1) Student activity Play

Molecules with three or four covalent bonds (2) Student activity Play

More constructions Student activity Play

Multiple bonds Student activity Play

Multiple bonds and nitrogen atom Animation Play

Multiple bonds and oxygen atom Animation Play

Multiple bonds in a carbon dioxide molecule Animation Play

Mutual position of lines and interior angles in a triangle Whiteboard presentation Play

Mutual position of lines and interior angles in a triangle Class activity Play

Noble gases Whiteboard presentation Play

Noble gases Class activity Play

Number of revolutions Whiteboard exercise Play

Number of valence electrons Animation Play

Observations Student activity Play

Obtuse angles Whiteboard exercise Play

Obtuse angles Student activity Play

On what does wave refraction depend? Student activity Play

On what does wave refraction depend? Whiteboard exercise Play

Opposite angles of a parallelogram Animation Play

Optical instruments Whiteboard presentation Play

Optical instruments Class activity Play

Optical instruments Whiteboard presentation Play

Optical instruments Class activity Play