The halogens, through themselves simple inorganic molecules, react with a wide range of organic compounds, and in doing so provide new compounds in great variety and of immense practical and ...

Sodium and chlorine react vigorously when heated, giving an orange flame and clouds of white sodium chloride.

Chlorine, bromine and iodine are the three common Group 7 elements. Group 7 elements form salts when they react with metals. The term ‘halogen’ means ‘salt former’.

What are xenon headlights and how do they work? Halogen headlights are named after a group of gas elements (the halogens) which are used inside them. In a bulb, the primary function of a halogen ...