Niobium (Nb), or columbium, is a shiny gray metal, but it becomes bluish when exposed to air at room temperature for a period of time. A link to the Wikipedia article on niobium is provided.
The color of nobelium is not known.
Coltan is not an element on the Periodic Table. Coltan is a mineral from which niobium and tantalum are extracted from.
Niobium (# 41) after Niobe, daughter of Tantalus.
They are niobium-titanium or niobium-tin intermetallic compounds.
The chemical element with the atomic number 41 is niobium; the electron configuration is:[Kr]4d4.5s1.
they are Yttrium, zirconium, niobium, molybdenum, technetium, ruthenium, rhodium palladium, silver and cadmium.
Element anious
Niobium was discovered first.
Niobium Element number 41. Has a mass of 92.906 amu
The element niobium was discovered by Charles Hatchett in the year 1801. He discovered the element by analyzing a piece of columbite in a museum's collection.
it is priceless
The element with the atomic number of 20 is calcium. Mass number is the number of protons and neutrons in the nucleus of an atom of a particular isotope, but does not determine which element it is.
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niobium
big and round gas
Niobium, which was once called "columbium".
Niobium
The element Niobium is in Group 5 along with Vanadium, Tantalum, and Dubnium. It is actually very difficult to distinguish from Tantalum.