How to find the valence of an element from the periodic table Animation Play

How to use Hess’s law Animation Play

Hydrogen bonding and boiling points Student activity Play

Identifying the chemical element present Whiteboard exercise Play

Ionic and atomic radii Student activity Play

Ionic radii of the s-block elements Illustration Play

Ionic radii of the s-block elements Student activity Play

Ionisation energy Student activity Play

Ionisation energy of the s-block elements Whiteboard exercise Play

Ionisation energy of the s-block elements Student activity Play

Ionisation enthalpy and electron affinity Student activity Play

Ionisation enthalpy and electron affinity Whiteboard exercise Play

Ions of s-block elements Animation Play

Irregularities in the first ionisation energy trend Animation Play

Isotopes Whiteboard exercise Play

Isotopes Whiteboard exercise Play

Isotopes Student activity Play

Isotopes of hydrogen, carbon and uranium Animation Play

Lattice formation enthalpy Whiteboard exercise Play

Lattice formation enthalpy Student activity Play

Line emission spectra Whiteboard exercise Play

Line emission spectra Student activity Play

Logic status of an AND gate Animation Play

Logic statuses of a NOT gate Animation Play

Logic statuses of an OR gate Animation Play