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Periodic Table of the Elements: Roentgenium
Atomic Number:111
Atomic Symbol:Rg
 Roentgenium
Atomic Weight:(272)
Electron
Configuration:
2 · 8 · 18
32 · 32
18 · 1
periodic table

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

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