1 jan 1913 ano - Isotopes Discovered
Descrição:
Kasimir Fajans (1887-1975) and Soddy (1877-1956) discovered that to atoms can be the same element with different numbers of neutrons. Fajans called the chemically identical atoms with differing isotopic masses pleiads, but Soddy called them Isotopes
Adicionado na linha do tempo:
Data: