Information valid for Nb-93 unless otherwise noted
[ATOM]

Niobium

 [ATOM]

Basic Information


Symbol: Nb
Atomic Number: 41
Mass: 92.9064
Melting Point: 2468
Boiling Point: 4927
Number of Protons/Electrons: 41
Number of Neutrons: 52
Classification: Transition Metal
Crystal Structure: Cubic
Density: 8.57
Color: white

Atomic Structure

[Bohr Model of Niobium]  
Number of Energy Levels: 5

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 12
    Fifth Energy Level: 1

Isotopes

Isotope Half Life
Nb-9014.6 hours
Nb-91700 years
Nb-91m62 days
Nb-923.6e+007 years
Nb-92m10.13 days
Nb-93Stable
Nb-93m16.1 years
Nb-9420000 years
Nb-94m6.26 minutes
Nb-9534.97 days
Nb-95m3.61 days
Nb-9623.4 hours
Nb-971.23 hours
Nb-97m58.1 seconds

Facts


Date of Discovery: 1801
Discoverer: Charles Hatchet
Name Origin: After Niobe, daughter of mythical king (Tantalus)
Uses: No uses known
Obtained From: columbite

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