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400
Middle ages Alchemist
The middle Alchermist were obsessed with turing base metals, such as lead, into gold. In the end they did not creat any new elements or atoms -
Phosphorus
H.Brand -
Magnesium
J.Black -
Oxygen
C.W.Scheele -
Nitrogen
D.Rutherford -
Chlorine
C.W.Scheele -
Hydrogen
H.Cavendish -
Beryllium
L.N.Vauquelin -
Sodium
H.Davy -
Argon
Lord Rayleigh & W.Ramsay -
Borom
J.L.Gay-Lussac & L.J.Thénard -
Calcium
H.Davy -
Lethium
J.A.Arfwedson -
Silicon
J.J.Berzelius -
Aluminium
H.C.Ørsted -
Helium
P.Janssen & J.N.Lockyer -
Flourin
H.Moissan -
Neon
W.Ramsay & M.W.Travers