Nuclear fission Whiteboard presentation Play

Nuclear force Animation Play

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

Nuclear magnetic resonance (NMR) spectroscopy. Part II Class activity 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

Nutrient deficiency Simulation Play

Nutrient deficiency Student activity Play

Occurrence of nitrogen Slideshow Play

Occurrence of noble gases Student activity 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

Other rules for naming compounds Student activity Play

Overlapping of atomic orbitals Animation Play

Oxidation of nitrogen monoxide by molecular oxygen Animation Play

Oxidation of nitrogen monoxide by ozone Animation Play

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

Oxidation states Animation Play