Inert Gases
Name: Helium
Symbol: He
Atomic Weight: 4.002602
Atomic Number: 2
Element Classification: Inert Gases
Discovered By: Sir William Ramsey, Nils Langet, P.T.Cleve
Discovery Date: 1895 (Scotland/Sweden)
Name Origin:Greek: helios (sun).
Name: Neon
Symbol: Ne
Atomic Weight: 20.1797
Atomic Number: 10
Element Classification: Inert Gases
Discovered By: Sir William Ramsey, M.W. Travers
Discovery Date: 1898 (England)
Name Origin:Greek: neos (new).
Name: Argon
Symbol: Ar
Atomic Weight: 39.948
Atomic Number: 18
Element Classification: Inert Gases
Discovered By: Sir William Ramsey, Baron Rayleigh
Discovery Date: 1894 (Scotland)
Name Origin:Greek: argos (inactive).
Name: Krypton
Symbol: Kr
Atomic Weight: 83.8
Atomic Number: 36
Element Classification: Inert Gases
Discovered By: Sir William Ramsey, M.W. Travers
Discovery Date: 1898 (Great Britain)
Name Origin:Greek: kryptos (hidden).
Name: Xenon
Symbol: Xe
Atomic Weight: 131.29
Atomic Number: 54
Element Classification: Inert Gases
Discovered By: Sir William Ramsay; M. W. Travers
Discovery Date: 1898 (England)
Name Origin:Greek: xenos (strange).
Name: Radon
Symbol: Rn
Atomic Weight: 222.0176
Atomic Number: 86
Element Classification: Inert Gases
Discovered By: Fredrich Ernst Dorn
Discovery Date: 1898 (Germany)
Name Origin:Variation of the name of another element, radium.
Name: Ununoctium
Symbol: Uuo
Atomic Weight: [294]
Atomic Number: 118
Element Classification: Inert Gases
Discovered By: Joint Institute for Nuclear Research
Discovery Date: 2002 (Russia)
Name Origin:Un (one) un (one) oct (eight)
Back to: periodic table
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