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Lithium is a soft, silvery-white metal with the chemical symbol Li and atomic number 3. It has a body-centered cubic crystal structure, a low melting point, and a high electropositivity. Learn more about its history, occurrence, chemistry, and applications.
Learn about the physics of atomic lithium, a chemical element with three electrons and either three or four neutrons. Find out how to estimate the ground state energy and wavefunction of the lithium atom using various approximations.
Learn about lithium, a soft, silvery metal with the lowest density of all metals. Find out its electron configuration, atomic radius, ionisation energy, biological role, natural abundance and more.
18 wrz 2024 · lithium (Li), chemical element of Group 1 (Ia) in the periodic table, the alkali metal group, lightest of the solid elements. The metal itself—which is soft, white, and lustrous—and several of its alloys and compounds are produced on an industrial scale.
Find the chemical formula, molecular weight, and IUPAC standard InChI of lithium. View the chemical structure of lithium as a 2d Mol file and access other data from NIST sites.
Lithium is the 3rd element in the periodic table with atomic number 3 and symbol Li. It has three protons and four neutrons in its nucleus, and three electrons in two shells.
Because molecules, atoms, and ions of the stable isotopes of lithium possess slightly different physical and chemical properties, they commonly will be fractionated during physical, chemical, and biological processes, giving rise to variations in isotopic abundances and in atomic weights.
