जर्मेनियम तत्व के बारे में जानकारी (Information about Germanium element)
Germanium
01. 1st ionization energy [eV] → 7.9
02. 2nd ionization energy [eV] → 15.934
03. 3rd ionization energy [eV] → 34.22
04. Atomic number → 32
05. Boiling point [°C] → 2830
06. Density [g/cm3] → 5.32
07. Discovery → 1885
08. Electrical conductivity [S m-1] → 2 • 10^3
09. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p2
10. Electronegativity → 1.8
11. Element category → Metalloids
12. Group → IV.A
13. Hardness [Mohs scale] → 6.25
14. Heat capacity [J K-1g-1] → 0.32
15. Latin name → Germanium
16. Melting point [°C] → 937.4
17. Oxidation numbers → 2, 4
18. Period → 4
19. Relative atomic mass → 72.61
20. Stable isotopes → 2
21. State → Solid
22. Symbol → Ge
23. Thermal conductivity [W m-1K-1] → 59.9
24. Unstable isotopes → 11
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