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NOMENCLATURE OF THE ELEMENTS WITH ATOMIC NUMBER > 100 (IUPAC)


According to IUPAC, elements with atomic number > 100 are represented by three latter symbols.

  • These symbols are based on first letter of numbers from 0 to 9. The names of these number are derived from Greek and latin languages.
  • The latin words for various digits of the atomic number are written together in the order of which makes the atomic number and suffix 'ium' is added at the end. In case of bi and tri one 'i' is omitted. 

NOTATION FOR IUPAC NOMENCLATURE OF ELEMENTS

Digit
Name
Abbreviation
0
nil
n
1
un
u
2
bi
b
3
tri
t
4
quad
q
5
pent
p
6
hex
h
7
sept
s
8
Oct
o
9
enn
e

 

Nomenclature of Elements 

Atomic Number
Name
Symbol
IUPAC Official Name
IUPAC Symbol
104
Unnilquadium
Unq
Rutherfordium
Rf
105
Unnilpentium
Unp
Dubnium
Db
106
Unnilhexium
Unh
Seaborgium
Sg
107
Unnilseptium
Uns
Bohrium
Bh
108
Unniloctium
Uno
Hassnium
Hs
109
Unnilennium
Une
Meitnerium
Mt
110
Ununnilium
Uun
Darmstadtium
Ds
111
Ununnium
Uuu
*
*
112
Ununbium
Uub
*
*
113
Ununtrium
Uut
+
 
114
Ununquadium
Uuq
*
*
115
Ununpentium
Uup
+
 
116
Ununhexium
Uuh
+
 
117
Ununseptium
Uus
+
 
118
Ununoctium
Uuo
+
 

 

  • Official IUPAC name yet to be announced + Elements yet to be discovered
  • IUPAC recommended this nomenclature to be followed until their names are officially recognised.
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