Selenium तत्व के बारे में जानकारी (Information about Selenium element)


Selenium तत्व के बारे में जानकारी (Information about Selenium element)

Selenium

01. 1st ionization energy [eV] → 9.7524

02. 2nd ionization energy [eV] → 21.19

03. 3rd ionization energy [eV] → 30.82

04. Atomic number → 34

05. Boiling point [°C] → 685

06. Brinell hardness [MPa] → 736

07. Critical point [°C] → 1493

08. Critical pressure [MPa] → 27.2


09. Density [g/cm3] → 4.8

10. Discovery → 1817

11. Electrical conductivity [S m-1] → 8 • 10^6

12. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4

13. Electronegativity → 2.4

14. Element category → Nonmetals

15. Group → VI.A

16. Hardness [Mohs scale] → 2

17. Heat capacity [J K-1g-1] → 0.32

18. Latin name → Selenium


19. Melting point [°C] → 217

20. Oxidation numbers → -2, 2, 4, 6

21. Period → 4

22. Relative atomic mass → 78.96

23. Shear modulus [GPa] → 3.7

24. Stable isotopes → 6

25. State → Solid

26. Symbol → Se

27. Thermal conductivity [W m-1K-1] → 2.04

28. Unstable isotopes → 14

29. Young's modulus [GPa] → 10


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