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Get facts for element 111, roentgenium.

Roentgenium Facts
Get periodic table facts on the chemical and physical properties of the element roentgenium or ununumium.

Roentgenium Atom
This diagram of a roentgenium atom shows the electron shell.

Where Is Roentgenium Found On The Periodic Table?
This shows where roentgenium appears on the periodic table of the elements.

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