नायोबियम तत्व के बारे में जानकारी (Information about Niobium element)
Niobium
01. 1st ionization energy [eV] → 6.7589
02. 2nd ionization energy [eV] → 14.32
03. 3rd ionization energy [eV] → 25.04
04. Atomic number → 41
05. Atomic radius [pm] → 198
06. Boiling point [°C] → 4742
07. Brinell hardness [MPa] → 736
08. Covalent radius [pm] → 137
09. Density [g/cm3] → 8.57
10. Discovery → 1801
11. Electrical conductivity [S m-1] → 6.7 • 10^6
12. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d4 5s1
13. Electronegativity → 1.6
14. Element category → Transition elements
15. Group → V.B
16. Hardness [Mohs scale] → 6
17. Heat capacity [J K-1g-1] → 0.265
18. Latin name → Niobium
19. Melting point [°C] → 2468
20. Oxidation numbers → 3, 5
21. Period → 5
22. Relative atomic mass → 92.90638
23. Shear modulus [GPa] → 38
24. Stable isotopes → 1
25. State → Solid
26. Symbol → Nb
27. Thermal conductivity [W m-1K-1] → 53.7
28. Unstable isotopes → 21
29. Vickers hardness [MPa] → 1320
30. Young's modulus [GPa] → 105
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