Nuclear magnetic resonance (NMR) spectroscopy. Part II Whiteboard presentation Play

Nuclear numbers Animation Play

Nucleophilic substitution Animation Play

Number of bonds of carbon atom in organic compounds Animation Play

Number of electron shells Animation Play

Number of electron shells Whiteboard exercise Play

Number of electrons in the orbital Animation Play

Number of molecules Animation Play

Orbital energy and order of assignment to subshells Student activity Play

Orbits of electrons Animation Play

Order of filling of the shells by electrons Animation Play

Other physical properties of alkanes Student activity Play

Overlapping of atomic orbitals Animation Play

Oxidation state of the phosphorus atom in phosphate(V) ion Animation Play

Oxidation states Animation Play

Oxidation states Student activity Play

Oxidation states of halogens Animation Play

Oxidation states of the p-block elements in their commonest chemical compounds Student activity Play

Oxygen atom and covalent bonding Animation Play

p orbitals Illustration Play

Permanent dipoles Student activity Play

Permanent dipoles Whiteboard exercise Play

Permanent dipoles Whiteboard exercise Play

Permanent dipole–dipole moment Animation Play

Permeability and absorption of X-rays Student activity Play