टेल्यूरियम तत्व के बारे में जानकारी (Information about Tellurium element)
Tellurium
01. 1st ionization energy [eV] → 9.0096
02. 2nd ionization energy [eV] → 18.6
03. 3rd ionization energy [eV] → 27.96
04. Atomic number → 52
05. Atomic radius [pm] → 123
06. Boiling point [°C] → 1100
07. Brinell hardness [MPa] → 180
08. Covalent radius [pm] → 135
09. Density [g/cm3] → 6.25
10. Discovery → 1782
11. Electrical conductivity [S m-1] → 1 • 10^4
12. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p4
13. Electronegativity → 2.1
14. Element category → Metalloids
15. Group → VI.A
16. Hardness [Mohs scale] → 2.3
17. Heat capacity [J K-1g-1] → 0.202
18. Latin name → Tellurium
19. Melting point [°C] → 449.5
20. Oxidation numbers → -2, 2, 4, 6
21. Period → 5
22. Relative atomic mass → 127.6
23. Shear modulus [GPa] → 16
24. Stable isotopes → 8
25. State → Solid
26. Symbol → Te
27. Thermal conductivity [W m-1K-1] → 2.35
28. Unstable isotopes → 22
29. Young's modulus [GPa] → 43
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