Apr 14, 2026 · Alkali metal, any of the six elements of Group 1 (Ia) of the periodic table—lithium, sodium, potassium, rubidium, cesium, and francium. The alkali metals are so called because reaction with …

Alkali metal - Properties, Reactivity, Uses: The alkali metals have the high thermal and electrical conductivity, lustre, ductility, and malleability that are characteristic of metals. Each alkali metal atom …

Alkaline-earth metal, any of the six chemical elements that comprise Group 2 of the periodic table. The elements are beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium …

Apr 14, 2026 · Alkali metal - Reactivity, Group 1, Properties: Since the alkali metals are the most electropositive (the least electronegative) of elements, they react with a great variety of nonmetals. In …

alkali metal, Any of the six chemical elements in the leftmost group of the periodic table (lithium, sodium, potassium, rubidium, cesium, and francium).

Alkali metal - Formation, Complexes, Reactivity: Until the late 1960s there were few complexes of the alkali metal cations with organic molecules. Specialized biological molecules such as valinomycin …

Alkaline-earth metal - Ionic Character, Bonding, Reactivity: The chemistry of the alkaline-earth metals, like that of the alkali metals, is for the most part reasonably interpreted in terms of an ionic model for …

Alkaline-earth metal - Properties, Reactivity, Uses: The alkaline-earth elements are highly metallic and are good conductors of electricity. They have a gray-white lustre when freshly cut but tarnish readily …

alkaline earth metal, Any of the six chemical elements in the second leftmost group of the periodic table (beryllium, magnesium, calcium, strontium, barium, and radium).

Below is the article summary. For the full article, see alkali. alkali Sodium metal. alkali, Inorganic compound, any soluble hydroxide (―OH) of the alkali metals: lithium, sodium, potassium, rubidium, …