अट्रियम तत्व के बारे में जानकारी (Information about Yttrium element)
Yttrium
01. 1st ionization energy [eV] → 6.217
02. 2nd ionization energy [eV] → 12.24
03. 3rd ionization energy [eV] → 20.52
04. Atomic number → 39
05. Atomic radius [pm] → 212
06. Boiling point [°C] → 3200
07. Brinell hardness [MPa] → 589
08. Covalent radius [pm] → 162
09. Density [g/cm3] → 4.472
10. Discovery → 1794
11. Electrical conductivity [S m-1] → 1.8 • 10^6
12. Electron configuration → 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d1 5s2
13. Electronegativity → 1.2
14. Element category → Transition elements
15. Group → III.B
16. Heat capacity [J K-1g-1] → 0.3
17. Latin name → Yttrium
18. Melting point [°C] → 1522
19. Oxidation numbers → 3
20. Period → 5
21. Relative atomic mass → 88.90585
22. Shear modulus [GPa] → 26
23. Stable isotopes → 1
24. State → Solid
25. Symbol → Y
26. Thermal conductivity [W m-1K-1] → 17.2
27. Unstable isotopes → 20
28. Young's modulus [GPa] → 64
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