Symbole
|
Nom proposé
|
Étymologie
|
Date de découverte
|
Découvreur
|
Équivalent actuel
|
Commentaires
|
Ab |
Alabamine |
|
|
|
Astate |
|
Ad
|
Aldebaranium
|
Étoile Aldébaran
|
1907
|
Carl Auer von Welsbach
|
Ytterbium
|
|
Am |
Alabamium |
|
|
|
Astate |
|
An |
Athenium |
|
|
|
Einsteinium |
|
Ao |
Ausonium |
|
|
|
Neptunium |
|
Bz |
Berzelium |
|
|
|
Praséodyme |
|
Bv |
Brevium |
|
|
|
Protactinium |
|
Cp
|
Cassiopeium
|
Constellation Cassiopée
|
1907
|
Carl Auer von Welsbach
|
Lutécium
|
|
Ct |
Celtium |
|
|
|
Hafnium |
|
Ct |
Centurium |
|
|
|
Fermium |
|
Cb ou Cl |
Columbium |
|
|
|
Niobium ou Américium |
|
Da |
Danubium |
|
|
|
Technétium |
|
Di |
Didymium |
|
|
|
Praséodyme et Néodyme |
|
Db |
Dubnium |
|
|
|
Rutherfordium |
|
Ea ou El |
Ekaaluminium |
|
|
|
Gallium |
|
Eb |
Ekaboron |
|
|
|
Scandium |
|
Em |
Ekamanganese |
|
|
|
Technétium |
|
Es |
Ekasilicon |
|
|
|
Germanium |
|
Em |
Emanation |
|
|
|
Radon |
|
Es |
Esperium |
|
|
|
Plutonium |
|
Fl ou Fr |
Florentium |
|
|
|
Prométhium |
|
G ou Gl |
Glucinium |
|
|
|
Béryllium |
|
Ha ou Hn |
Hahnium |
|
|
|
Dubnium ou Hassium |
|
Il |
Illinium |
|
|
|
Prométhium |
|
Jg |
Jargonium |
|
|
|
Hafnium |
|
J |
Jodium |
|
|
|
Iode |
|
Jl |
Joliotium |
|
|
|
Dubnium |
|
Ku |
Kurchatovium |
|
|
|
Rutherfordium |
|
Ms |
Masrium |
|
|
|
Indium |
|
Ma |
Masurium |
|
|
|
Technétium |
|
Mt |
Meitnium |
|
|
|
Protactinium |
|
Ml |
Moldavium |
|
|
|
Francium |
|
M |
Muriaticum |
|
|
|
Chlore |
|
|
Mosandrium
|
Chimiste Carl Gustaf Mosander
|
1878
|
John Lawrence Smith
|
Terbium
|
|
Ny
|
Néo-ytterbium
|
|
1907
|
Georges Urbain
|
Ytterbium
|
|
Ns |
Nielsbohrium |
|
|
|
Dubnium ou Bohrium |
|
Nt |
Niton |
|
|
|
Radon |
|
No |
Norium |
|
|
|
Hafnium |
|
Ng |
Norwegium |
|
|
|
Hafnium |
|
|
Odinium
|
Dieu Odin
|
1842
|
Carl Gustaf Mosander
|
Erbium et Terbium
|
|
Pe |
Pelopium |
|
|
|
Niobium |
|
Sp |
Spectrium |
|
|
|
Ytterbium |
|
Ty |
Tyrium |
|
|
|
Néodyme |
|
Unb |
Unnilbium |
|
|
|
Nobelium |
|
Une |
Unnilennium |
|
|
|
Meitnerium |
|
Unh |
Unnilhexium |
|
|
|
Seaborgium |
|
Uno |
Unniloctium |
|
|
|
Hassium |
|
Unp |
Unnilpentium |
|
|
|
Dubnium |
|
Unq |
Unnilquadium |
|
|
|
Rutherfordium |
|
Uns |
Unnilseptium |
|
|
|
Bohrium |
|
Unt |
Unniltrium |
|
|
|
Lawrencium |
|
Unu |
Unnilunium |
|
|
|
Mendelevium |
|
Uub |
Ununbium |
|
|
|
Copernicium |
|
Uuh |
Ununhexium |
|
|
|
Livermorium |
|
Uun |
Ununnilium |
|
|
|
Darmstadtium |
|
Uuq |
Ununquadium |
|
|
|
Flérovium |
|
Uuu |
Unununium |
|
|
|
Roentgenium |
|
Vi ou Vm |
Virginium |
|
|
|
Francium |
|