bakınız: niobium

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Türkçe - İngilizce
(Tıp) columbium
Symbol Cb or Nb
A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam
a former name for niobium
The former name of niobium
Now more commonly called niobium
{i} metallic element (Chemistry)
Atomic weight 94
bakınız: niobium