Artículos por tema "Niobium Pentachloride"

1. Niobium
   posted this at 9 jun 2025

   1
   Niobium and columbium are interchangeable names for the chemical element possessing the atomic number 41. In 1801, it was named columbium, whereas in 1950, the International Union of Pure and Applied Chemistry officially designated it as niobium (Nb).