The origin of organic chemistry; the death of Vitalism; the complexity of organic compounds; the concept of valency; Kekule's structural diagrams; and basic carbon chains. The origin of organic ...

THE word "valency" in chemistry is a measure of an atom's ability to form bonds with other atoms. At Valency International Pte Ltd, this word holds significant meaning. It represents the collective ...

Designing a vaccine starts with finding the right ingredients. Every infectious agent has molecules, called antigens, that the immune system could potentially recognize and attack. So scientists must ...