क्रोमियम तत्व के बारे में जानकारी (Information about Chromium element)
Chromium
01. 1st ionization energy [eV] → 6.7666
02. 2nd ionization energy [eV] → 16.5
03. 3rd ionization energy [eV] → 30.96
04. Atomic number → 24
05. Atomic radius [pm] → 166
06. Boiling point [°C] → 2672
07. Brinell hardness [MPa] → 1120
08. Covalent radius [pm] → 127
09. Density [g/cm3] → 7.19
10. Discovery → 1797
11. Electrical conductivity [S m-1] → 7.9 • 10^6
12. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d5 4s1
13. Electronegativity → 1.6
14. Element category → Transition elements
15. Group → VI.B
16. Hardness [Mohs scale] → 9
17. Heat capacity [J K-1g-1] → 0.449
18. Latin name → Chromium
19. Melting point [°C] → 1857
20. Oxidation numbers → 2, 3, 4, 5, 6
21. Period → 4
22. Relative atomic mass → 51.9961
23. Shear modulus [GPa] → 115
24. Stable isotopes → 4
25. State → Solid
26. Symbol → Cr
27. Thermal conductivity [W m-1K-1] → 93.7
28. Unstable isotopes → 5
29. Vickers hardness [MPa] → 1060
30. Young's modulus [GPa] → 279
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