Element Niobium (Nb)

Atomic number 41 · transition metal · Atomic mass 92.906 u

Atomic Mass
92.9060 u
Element Properties
Atomic Number 41
Atomic Mass 92.9060 u
Category transition metal / 过渡金属
Group 5
Period 5
Block D
Electron Configuration [Kr] 4d⁴ 5s¹
Electronegativity (Pauling) 1.6
Phase at STP Solid
Density 8.57 g/cm³
Year Discovered 1801

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