मैग्नेशियम तत्व के बारे में जानकारी (Information about Magnesium element)


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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