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Niobium Symbol Nb Atomic Number 41 Atomic Mass 92.9064 Family Group 5 (Vb) Transition Metal Pronunciation nye-OH-bee-um Overview Niobium is a transition metal in Group 5 (VB) of the periodic table. The periodic table is a chart that shows how chemical...

Niobium is a metal element represented by the atomic symbol, Nb. Its atomic weight is 92.9064 and its atomic number is 41. It is a steel-gray, lustrous metal with a melting point of 4,474 ± 50°F (2,468 ± 10°C) and a boiling point of...

Niobium is a transition element. It is the fifth element in Row 5 of the periodic table. Niobium's atomic number is 41, its atomic mass is 92.9064, and its chemical symbol is Nb. Niobium is a shiny gray metal with a melting point of 4,474°F...

Niobium (pronounced /naɪˈoʊbiəm/), or columbium (/kəˈlʌmbiəm/) is a chemical element that has the symbol Nb and atomic number 41. A rare, soft, gray, ductile transition metal, niobium is found in pyrochlore and columbite. It was first discovered...

Neither government nor industry has accurate information on the availability of minerals and other materials that may become critical for uses ranging from everyday household products to national defense, it was reported Friday.The National Research Council said that more reliable information is needed on stockpiles,...