c/Misidentified chemical elements

Information
lexicalization	eng: Misidentified chemical elements
subclass of	(noun) any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter element, chemical element
has instance	e/Coronium
has instance	e/Davyum
has instance	e/Dianium
has instance	e/Gnomium
has instance	e/Wasium