मैंगनीज तत्व के बारे में जानकारी (Information about Manganese element)
Manganese
01. 1st ionization energy [eV] → 7.434
02. 2nd ionization energy [eV] → 15.64
03. 3rd ionization energy [eV] → 33.667
04. Atomic number → 25
05. Atomic radius [pm] → 161
06. Boiling point [°C] → 2100
07. Brinell hardness [MPa] → 196
08. Covalent radius [pm] → 139
09. Density [g/cm3] → 7.44
10. Discovery → 1774
11. Electrical conductivity [S m-1] → 6.2 • 10^5
12. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d5 4s2
13. Electronegativity → 1.5
14. Element category → Transition elements
15. Group → VII.B
16. Hardness [Mohs scale] → 5
17. Heat capacity [J K-1g-1] → 0.48
18. Latin name → Manganum
19. Melting point [°C] → 1244
20. Oxidation numbers → 2, 3, 4, 6, 7
21. Period → 4
22. Relative atomic mass → 54.93805
23. Stable isotopes → 1
24. State → Solid
25. Symbol → Mn
26. Thermal conductivity [W m-1K-1] → 7.82
27. Unstable isotopes → 10
28. Young's modulus [GPa] → 198
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