1955 - One atom of mendelevium (Md, element 101) was produced by Gregory R. Choppin, Glenn Seaborg, Bernard G. Harvey, and Albert Ghiorso in 1955 by bombarding a billion atoms of 253Es with helium.
Birthdays
Gottlieb Sigismund Kirchhof 1764: catalytically produced glucose from starch.
Ferdinand Reich 1799: codiscovered indium (In, element 49)
Louis-Georges Gouy 1854: interfacial electrical double layer.
Svante Arrhenius 1859: electrolytic dissociation, viscosity, reaction rates, and even the greenhouse effect; Nobel prize, 1903
Ernest Marsden 1889: scattering of alpha particles (work with Hans Geiger in Ernest Rutherford's lab), contributing to the development of the nuclear model of the atom. (Read 1909 and 1913 papers with Geiger.)
Roderick MacKinnon 1956: structural and mechanistic studies of ion channels; Nobel Prize, 2003
Videos uploaded during the last 24 hours (19 Feb 2016)
pH concept -2 Lecture Note -21 Class XI Ionic Equilibrium Chemistry
_________________
_________________
Group 15 elements :Reasoning Questions P block elements IIT JEE CBSE CHEMISTRY
__________________
__________________
Grignard Reaction
__________________
__________________
.
---------------------------
No comments:
Post a Comment