- n. obsolete The metallic element technetium.
- Named after Masuria by Walter Noddack, whose family was from that area, when he reported its discovery in 1925. (Wiktionary)
“Then it became apparent that there was no valid evidence for the claimed existence of stable element 43, called masurium by its apparently deluded discoverer, nor for element 61, called illinium.”
“From the chemical evidence, the two short periods (10 sec. and 40 sec.) so far ascribed to 239U might be masurium isotopes (Z = 43) decaying through ruthenium, rhodium, palladium and silver into cadmium.”
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Words that sound like they might be the names of elements of the periodic table, but that aren't. Many of the words listed here were actually proposed as names for substances their creators thought...
Names and spellings formerly used for elements. Not entirely complete because I refuse to take notice of some of the sillier ones.
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