Niobium

**Element:** Niobium **Symbol:** Nb **Atomic Number:** 41 **Atomic Mass:** about 93 **Number of Protons:** 41 **Number of Neutrons:** 52 **Number of Electrons:** 41 **Melting Point:** 2477oC **Boiling Point:** 4744oC **Normal Phase:** solid **Classification:** metal **Cost=** $75.00 per 1lb My element belongs to the transtion metals family. Niobium was discovered by Hatchett in 1801. __Interesting Facts:__
 * Name:** JCHadley
 * 1) Named after the greek mythological figure Niobe
 * 2) Written in Russian ΗчобиŇ
 * 3) Heat of vaporization: 682KJ/mol
 * 4) Vapor pressure: 0.0755a @2468oC
 * 5) Level in human blood: mg dm-3: 0.005
 * 6) Used for engineering in: jets, missles, cutting tools, pipelines, super magnets and welding rods