The group 1 elements are called alkali metals. Except for hydrogen, all the group 1 elements are metals.
They are Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr).
They ionize by the loss of one electron to form a univalent positive ion. They are very good reducing agents. Alkali metals are soft and light with low melting points. The first ionization energyEnergy is the ability to do work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy, and electrical energy. Units of Energy: The SI unit... More decreases down the group of the elements.
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