Science / Chemistry / Lithium: Element 3, atomic weight 6.939. The lightest alkali metal, used in special-purpose metal alloys and other industrial applications.

Lithium (Li)

Science / Periodic Table of Elements / Lithium (Li): Atomic number: 3, Atomic mass: 6.941 g.mol -1, Electronegativity: 1.0, Density: 0.53 -3 at 20 °C, Melting point: 180.5 °C, Boiling point: 1342 °C, Vanderwaals radius: 0.145 nm, Ionic radius: 0 MORE

Lithium-Ion Battery (Li-Ion)

Technology / Cell Phones / Lithium-Ion Battery (Li-Ion): Lighter weight battery than earlier types, having relatively longer cycle life and generally do not suffer from memory effect. MORE


Science / Psychiatry / Beta-Blocker: An agent that inhibits the action of beta-adrenergic receptors, which modulate cardiac functions, respiratory functions, and the dilation of blood vessels. Beta-blockers are of value in the treatment MORE


Life Style / Coffee / Salt: A basic taste characterized by solutions of chlorides, bromides, iodides, nitrates, and sulfates of potassium and lithium. MORE

Actinium (Ac)

Science / Periodic Table of Elements / Actinium (Ac): Atomic number: 89, Atomic mass: 227 g.mol -1, Electronegativity: 1.1, Density: 10.07 at 20°C, Melting point: 1050 °C, Boiling point: 3250 °C, Vanderwaals radius: unknown, Ionic radius: unkno MORE

Alkali Metal

Science / Chemistry / Alkali Metal: (alkaline earth metal) alkali metal element The Group 1 elements, lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr) react with cold water for form strongly alkali MORE