Hydrogen
HYDROGEN The term hydrogen comes from two Greek words meaning water-former. The discovery of Hydrogen is accredited to Henry Cavendish, an English scientists, who was first to recognize it as a substance distinct from other flammable gases in 1766. ... Hydrogen is made up of three atoms of the same element that have different numbers of electrically neutral neutrons in the nucleus called isotopes. ... Urey, an American chemist, discovered Deuterium, one of Hydrogen’s isotopes. ... Hydrogen is one of the most important chemical elements. The hydrogen atom is the smallest and simplest atom known. ... Hydrogen’s atomic weight is 1. ... Hydrogen is the most abundant element in the universe.