A PERIODIC TABLE OF REJECTED ELEMENT NAMES
The names of the chemical elements have a wide and complicated history. Some have always borne the same name, but others have
had several suggestions rejected before arriving at their present-day name. This table looks at some of the rejected element names.
1
H
Gl
Lithium
GLUCINIUM
11
12
Na
Mg
19
20
REJECTED SUGGESTED NAME
ERRONEOUS CLAIMED DISCOVERY
B
carbon
C
Az
AZOTE
oxygen
O
FLUORE
F
No
13
14
15
16
17
18
21
23
24
25
7
8
9
10
Novum
Al
Si
silicon
PHOSPHORUS
sulfur
S
chlorine
Cl
Ar
31
32
Pm
34
35
36
Aluminium
Magnium
6
BorACIUM
5
P
argon
K
Ca
Gd
GADENIUM
Me
MENACHITE
PANCHROMIUM
Pc
chromium
Cr
Mn
manganese
Fe
iron
Co
cobalt
Ni
Nickel
Cu
Copper
Zn
zinc
Ga
Np
Neptunium
Polymnestum
HESPERISIUM
Hs
Mu
MURIDE
Eo
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
Potassium
calcium
Sr
Rb
RUBIDIUM
Strontium
55
56
Cs
CAESIUM
Pu
87
88
Ct
CATIUM
Lc
LUCIUM
E57-71
PLUTONIUM
Mr
E89-103
MASRIUM
22
Cb
26
27
28
29
30
Columbium
Erebodium
Eb
Ma
Masurium
POLINIUM
Pl
Rh
Rhodium
Ce
Ag
SILVER
Ml
MELINUM
In
Indium
Sn
Tin
Sb
antimony
Pi
Pilsum
iodine
I
Xe
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
CERESIUM
xenon
Ct
CELTIUM
tantalum
Ta
SCHEELIUM
Sc
Np
Os
osmium
iridium
Ir
Platinum
Pt
Au
Hg
Mercury
Thallium
Tl
Pb
lead
Bi
Bismuth
Po
polonium
Anglo-helvetium
Ah
Nt
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
ununseptium
ununoctium
NIPPONIUM
gold
Rg
KURCHATOVIUM
Ku
NIELSBOHRIUM
Ns
ALVAREZIUM
Av
Bh
BOHRIUM
Hs
hassium
Ha
HAHNIUM
Darmstadtium
ROENTGENIUM
copernicum
Cn
Uut
Rs
Uup
Ls
58
59
60
61
62
63
64
65
66
Pp
68
69
70
Ds
Oc
OCHROITE
praseoDIdymium
Pr
DIdymium
Di
FLORENTIUM
Fl
Dp
Eu
europium
Gd
gadolinium
Tb
terbium
Dysprosium
89
90
91
92
93
94
95
96
97
98
EMANIUM
Eosium
Zr
La
Em
Gallium
33
ziRconium
lanthanum
57
C
helium
ORIGINAL PROPOSED NAME
4
Li
SODIUM
He
TABLE COLOUR KEY
HYDROGEN
3
2
Th
thorium
Bv
BREVIUM
Kl
KLAPROTHIUM
Ao
AUSONIUM
DECIPIUM
Ex
EXTREMIUM
Pa
PANDEMONIUM
Bs
BASTARDIUM
Md
Mendelevium
Dy
Cy
CYCLONIUM
Ununtrium
67
PHILIPPIUM
99
Ls
LOSALIUM
RUSSIUM
ununpentium
leosium
Uus Uuo
71
Cp
Er
erbium
Tm
thulium
AlDERBARANIUM
CASSIOPEIUM
100
101
102
103
Ph
phoenicium
Md
mendelevium
Ad
Jo
JOLIOTIUM
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Lr
Lawrencium
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