mahir
When Mendeleev created his periodic table, he left gaps for unknown elements with properties appropriate to the gaps. He gave them provisional names using the prefixes from Sanskrit, eka, dvi, and tri.
Dmitri Mendeleev
Predicted elements
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replied to: mahir
skjames
Replied to: When Mendeleev created his periodic table, he left gaps for unknown...
The elements of scandium, gallium, technetium and germanium are among those that have come to fill the gaps on Mendeleev's table.
replied to: skjames
Ruzhyo
Replied to: The elements of scandium, gallium, technetium and germanium are among those...
Mendeleev predicted the existance of protractinium in 1871; it was officially named in 1949.