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science & technology Online Quiz - 159
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Element with atomic number 41 has 2 names, what are they?
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A
Niobium, Columbium
💡 Explanation:
Element 41 is Niobium (Nb), historically called Columbium (Cb). The name was changed from Columbium to Niobium in 1946, but some American metallurgists still use Columbium. This dual naming reflects its discovery history - niobium is named after Niobe from Greek mythology.