Multiple bonds and nitrogen atom Animation Play

Multiple bonds and oxygen atom Animation Play

Multiple bonds in a carbon dioxide molecule Animation Play

Noble gases Whiteboard presentation Play

Noble gases Class activity Play

Nocturnal and diurnal organisms Animation Play

Non-metals of Group 16 and 17 Animation Play

Number of electron shells Whiteboard exercise Play

Number of electron shells Animation Play

Number of valence electrons Animation Play

Orbital energy and order of assignment to subshells Student activity Play

Orbitals Student activity Play

Orbitals Whiteboard exercise Play

Organic chemistry Student activity Play

Oxidation states of the s-block elements Student activity Play

Oxygen atom and covalent bonding Animation Play

Phosphorus pentachloride molecule Animation Play

Pi (Ï€) bond Student activity Play

Polyatomic ions Student activity Play

Predators and prey Student activity Play

Reactions with hydrogen Student activity Play

Reactivity of halogens Student activity Play

Reactivity of the alkali metals and their electron configuration Animation Play

Reactivity of the alkaline-earth-metals and their electron configurations Animation Play

Relationship between the group number and the number of valence electrons Animation Play