Roentgenium, element 111, is named in honour of Wilhelm Conrad Roentgen, who discovered the X-rays. This element was discovered in the year 1994 by a team of scientists from Gesellschaft für Schwerionenforschung, which was led by Peter Armbruster and Gottfried Monzenber.
Roentgenium is a synthetically produced radioactive element and very little is known about it.
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