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41 Nb Niobium (plaintext)
H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr[Nb]Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr
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| 41 _ _ _ |
| | \ | | |__ |
| | \| | '_ \ |
| | |\ | |_) | |
| |_| \_|_.__/ |
| |
| Niobium |
| 92.90637 u |
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Wiki Article: Niobium
Electron Configuration: [Kr]5s1 4d4
Electronegativity: 1.6
Atomic Radius: 207 pm
Ionization Energy: 6.759 eV
Electron Affinity: 0.893 eV
Oxidation States: +5, +3
Standard State: Solid
Melting Point: 2750 K
Boiling Point: 5017 K
Density: 8.57 g/cm3
Family: Transition metal
Year Discovered: 1801
Number of Neutrons: 52
Number of Protons: 41
Number of Electrons: 41
Number of Valence:
Valency:
Group: 5
Period: 5
Shell: d-shell
Specific Heat: 0.265 J/g K
Radioactive: 0
Occurrence: Natural
Source: Dying low-mass stars
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