लिथियम तत्व के बारे में जानकारी (Information about Lithium element)
Lithium
• Atomic number → 3
• Atomic radius [pm] → 167
• Boiling point [°C] → 1347
• Covalent radius [pm] → 134
• Critical point [°C] → 2950
• Critical pressure [MPa] → 67
• Density [g/cm3] → 0.534
• Discovery → 1870
• Electrical conductivity [S m-1] → 1.17 • 107
• Electron configuration → 1s2 2s1
• Electronegativity → 1
• Element category → Alkali metals
• Group → I.A
• Hardness [Mohs scale] → 0.6
• Heat capacity [J K-1g-1] → 3.582
• Latin name → Lithium
• Melting point [°C] → 180.54
• Oxidation numbers → 1
• Period → 2
• Relative atomic mass → 6.941
• Shear modulus [GPa] → 4.2
• Stable isotopes → 2
• State → Solid
• Symbol → Li
• Thermal conductivity [W m-1K-1] → 84.7
• Unstable isotopes → 2
• Young's modulus [GPa] → 4.9
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