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Properties of Metals - Metallurgy
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Roentgenium (Ununumium)
Atomic Number: 111
Symbol: Rg (Uuu)
Atomic Weight: [272]
Discovery: Hofmann, Ninov et al. GSI-Germany 1994
Element Classification: Transition Metal
Name Origin: Named in honor of Wilhelm Conrad Roentgen, discoverer of x-rays
Electron Configuration: [Rn] 5f14 6d10 7s1
References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)
Atomic Number: 111
Symbol: Rg (Uuu)
Atomic Weight: [272]
Discovery: Hofmann, Ninov et al. GSI-Germany 1994
Element Classification: Transition Metal
Name Origin: Named in honor of Wilhelm Conrad Roentgen, discoverer of x-rays
Electron Configuration: [Rn] 5f14 6d10 7s1
References: Los Alamos National Laboratory (2001), Crescent Chemical Company (2001), Lange's Handbook of Chemistry (1952), CRC Handbook of Chemistry & Physics (18th Ed.)
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Ref: R111
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