मैग्नेशियम तत्व के बारे में जानकारी (Information about Magnesium element)
Magnesium
• 1.st ionization energy [eV] → 7.6462
• 2.nd ionization energy [eV] → 15.035
• 3.rd ionization energy [eV] → 80.143
• Atomic number → 12
• Atomic radius [pm] → 145
• Boiling point [°C] → 1090
• Brinell hardness [MPa] → 260
• Covalent radius [pm] → 130
• Density [g/cm3] → 1.735
• Discovery → 1808
• Electrical conductivity [S m-1] → 2.24 • 10^7
• Electron configuration → 1s2 2s2 2p6 3s2
• Electronegativity → 1.2
• Element category → Alkaline earth metals
• Group → II.A
• Hardness [Mohs scale] → 2.25
• Heat capacity [J K-1g-1] → 1.02
• Latin name → Magnesium
• Melting point [°C] → 648.8
• Oxidation numbers → 2
• Period → 3
• Relative atomic mass → 24.305
• Shear modulus [GPa] → 17
• Stable isotopes → 3
• State → Solid
• Symbol → Mg
• Thermal conductivity [W m-1K-1] → 156
• Unstable isotopes → 5
• Young's modulus [GPa] → 45
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