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41 Transition Metal
Nb

Niobium

RIS 0.022
Velocity +0.000
Rank#66
Co-citedLi
Physical properties
Category Transition Metal
Block d-block
State Solid
Config [Kr] 4d4 5s1
Electronegativity 1.6
Density 8.57 g/cm³
Melting 2750.0 K
Boiling 5017.0 K
Ionization 652.1 kJ/mol
Oxidation +2, +3, +4, +5
Discovered 1801 · Charles Hatchett
Niobium's history

Research intensity over time

Research communities behind this literature

Groups of papers that cite each other densely, with the share of Niobium's tracked research in each.