This film discusses the halogens, specifically chlorine, bromine, and iodine, detailing their preparation from naturally occurring salts and their chemical properties. The film demonstrates various ...

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

Electronics companies have experienced some chemical reactions in the past two decades. Many will recall the European RoHS Directive (Restriction of Hazardous Substances), which came into force in ...

This table summarises some of the properties and uses of three halogens: ...