Supportive tissue Student activity Play

Supportive tissue – details Slideshow Play

The electron configuration of an atom and its position in the periodic table Student activity Play

The electron configuration of an element and its position in the periodic table Animation Play

The first and second ionisation energies Animation Play

The first and second ionisation energies of the Group 2 elements Student activity Play

The law of periodicity and the properties of elements Animation Play

The octet rule Animation Play

The principal and azimuthal quantum numbers Animation Play

The structure of a reptile's egg Slideshow Play

The structure of the periodic table Student activity Play

The structure of the periodic table – blocks Student activity Play

The structure of the periodic table – blocks Whiteboard exercise Play

The structure of the periodic table – groups (1) Student activity Play

The structure of the periodic table – periods Student activity Play

Valence-shell electron-pair repulsion theory (VSEPR theory) Student activity Play

What is a covalent bond? Whiteboard exercise Play

What is a covalent bond? Student activity Play

Which elements form covalent bonds? Student activity Play