Niobium
Videos
Niobium is a chemical element; it has symbol Nb and atomic number 41. It is a light grey, crystalline transition metal. Pure niobium has a Mohs hardness rating similar to pure titanium, and it has sim
Niobium crystals and 1cm 3 cube
English chemist Charles Hatchett identified the element columbium in 1801 within a mineral discovered in Connecticut, US.
Picture of a Hellenistic sculpture representing Niobe by Giorgio Sommer
A very pure sample of niobium pentachloride
Periodic table
Videos
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows and columns. An icon of chemistry, the periodic table is widely used
Niobium
…ny-OH-bee-əm) Appearance Gray metallic, bluish when oxidized Standard atomic weight Ar°(Nb) 92.90637±0.00001 92.906±0.001 (abridged) Niobium in the periodic table Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium…
Liquid mercury. Its liquid state at standard conditions is the result of relativistic effects.
Graphite and diamond, two allotropes of carbon
Iron, a metal
Sulfur, a nonmetal