Discovery of Elements – Inert Gases

ElementDiscoverer
ArgonSir William Ramsay and Lord Rayleigh
NeonSir William Ramsay and M.W. Tavers
KryptonSir William Ramsay and M.W. Tavers
XenonSir William Ramsay and M.W. Tavers
RadonSir William Ramsay and R. Whytlaw-Gray
HeliumSir William Ramsay, P.T.Cleve and N.Langlet

 

Discovery of Elements – Radioactive Elements

ElementDiscoverer
PoloniumMarie Curie
RadiumMarie Curie and Pierre Curie
ActiniumAndre Louis Debierne
ThoriumJons Jacob Berzelius
UraniumMartin Heinrich Klaproth
PlutoniumGlenn T. Seaborg, Edwin McMillan, Joseph W. Kennedy, and Arthur Wahl

 

Discovery of Elements – Chemical Elements

Chemical ElementDiscoverer
BariumHumphry Davy
CalciumHumphry Davy
PotassiumHumphry Davy
MagnesiumHumphry Davy
BoronHumphry Davy
SodiumHumphry Davy

 
 
 

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