बेरीलियम तत्व के बारे में जानकारी (Information about beryllium element)
Beryllium
• 1.st ionization energy [eV] → 9.3226
• 2.nd ionization energy [eV] → 18.211
• 3.rd ionization energy [eV] → 153.893
• Atomic number → 4
• Atomic radius [pm] → 112
• Boiling point [°C] → 2970
• Brinell hardness [MPa] → 600
• Covalent radius [pm] → 90
• Density [g/cm3] → 1.828
• Discovery → 1828
• Electrical conductivity [S m-1] → 2.5 • 107
• Electron configuration → 1s2 2s2
• Electronegativity → 1.5
• Element category → Alkaline earth metals
• Group → II.A
• Hardness [Mohs scale] → 5.0-5.5
• Heat capacity [J K-1g-1] → 1.825
• Latin name → Beryllium
• Melting point [°C] → 1278
• Oxidation numbers → 2
• Period → 2
• Relative atomic mass → 9.012182
• Shear modulus [GPa] → 132
• Stable isotopes → 1
• State → Solid
• Symbol → Be
• Thermal conductivity [W m-1K-1] → 200
• Unstable isotopes → 3
• Vickers hardness [MPa] → 1670
• Young's modulus [GPa] → 287
No comments:
Post a Comment