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Lithium (from Ancient Greek: λίθος, líthos, 'stone') is a chemical element; it has symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the least dense metal …

Feb 27, 2026 · 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 …

It was first isolated by William Thomas Brande and Sir Humphrey Davy through the electrolysis of lithium oxide (Li 2 O). Today, larger amounts of the metal are obtained through the electrolysis of lithium …

The meaning of LI is lithium.

Li (li) n., pl. Lis, (esp. collectively) Li. 1. a member of a people living on the island of Hainan in S China. 2. the language of the Li.

li in American English (li) noun (in Chinese ethical philosophy) the etiquette traditionally prescribed for individuals or groups of people in a given situation

Looking for the definition of LI? Find out what is the full meaning of LI on Abbreviations.com! 'Long Island' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and …

Element Lithium (Li), Group 1, Atomic Number 3, s-block, Mass 6.94. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

Today lithium carbonate – or more precisely the lithium ions in lithium carbonate – are used to inhibit the manic phase of bipolar (manic-depressive) disorder. Lithium based batteries have revolutionized …