आर्गन तत्व के बारे में जानकारी (Information about Argon element)


आर्गन तत्व के बारे में जानकारी (Information about Argon element)

Argon

01. 1.st ionization energy [eV] → 15.7596

02. 2.nd ionization energy [eV] → 27.629

03. 3.rd ionization energy [eV] → 40.74

04. Atomic number → 18

05. Atomic radius [pm] → 71

06. Boiling point [°C] → -185.87

07. Covalent radius [pm] → 97

08. Critical point [°C] → -86.28

09. Critical pressure [MPa] → 4.988

10. Density [g/cm3] → 0.0017838

11. Discovery → 1894

12. Electron configuration → 1s2 2s2 2p6 3s2 3p6

13. Element category → Noble gases

14. Group → VIII.A

15. Heat capacity [J K-1g-1] → 0.52

16. Latin name → Argon

17. Melting point [°C] → -189.4

18. Period → 3

19. Relative atomic mass → 39.948

20. Stable isotopes → 3

21. State → Gas

22. Symbol → Ar

23. Thermal conductivity [W m-1K-1] → 0.0177

24. Unstable isotopes → 5


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