Reactivity of halogens Simulation Play

Reactivity of halogens Student activity Play

Reactivity of the halogens Student activity Play

Relative molecular mass Student activity Play

Sigma (σ) bond Student activity Play

Sigma bonds in fluorine molecule Animation Play

Sources of chlorofluorocarbons Slideshow Play

Structure of halogen molecules Student activity Play

The chemical elements of life Slideshow Play

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

The electron configuration of halogens Animation Play

The electronegativity concept Student activity Play

The elements of life Student activity Play

The importance of mineral ions Student activity Play

The melting points of simple molecular solids Animation Play

The reaction of alkanes with halogens Student activity Play

The structure of hydrogen halides Animation Play

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

The structure of the periodic table – groups and periods Student activity Play

The trend in the reactivity of the elements in Group 17 Animation Play

Trace elements and ultra-trace elements Student activity Play

Trend in physical properties of the halogens Animation Play

What decides whether an atomic mass is a whole number or not Animation Play

Why atomic masses are not usually whole numbers? Student activity Play