Multiple choice general knowledge science & technology

Element with atomic number 41 has 2 names, what are they?

  1. Niobium, Columbium

  2. Lutetium, Luthenium

  3. Neodymium, Prasedeomium

  4. Zinc, Zirconium
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A Correct answer
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.

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