Noble gas
|
Chemical elements
Main informations
Wikipedia
en.wikipedia.org/wiki/Noble_gas
Elements
Argon
Symbol:
Ar
Atomic number:
18
Helium
Symbol:
He
Atomic number:
2
Krypton
Symbol:
Kr
Atomic number:
36
Neon
Symbol:
Ne
Atomic number:
10
Radon
Symbol:
Rn
Atomic number:
86
Ununoctium
Symbol:
Uuo
Atomic number:
118
Xenon
Symbol:
Xe
Atomic number:
54
Chemical elements
Periodic table
CZ
|
EN
encyclopedia of chemical elements
