Why does niobium have the atomic number of 41?

Niobium has the atomic number of 41 because one atom of Niobium has 41 electrons/protons. read more

Niobium fluoride (NbF 3) Niobium carbide (Nb 2 C) Niobium chloride (NbCl 5) Interesting facts: It was once called columbium. It is found freely in nature in abundance. Tantalum and niobium is found in columbite and tantalite and it is difficult to separate them. It is a rare, soft, malleable, ductile, gray-white metal. read more

Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41. It is a soft, grey, crystalline, ductile transition metal, often found in the minerals pyrochlore and columbite, hence the former name "columbium". read more