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What is a alkali metal and valence electron?

April 26, 2017alkali Chemistry electron Mathematics metal valence

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What is a alkali metal and valence electron?

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An alkali metal is an element from Group IA(1) on the periodic table that includes Li, Na, K, Rb, Cs, and Fr. The alkali metal would also be a good conductor of electricity and heat. It would have a low melting point and would be a soft, shiny metal. An alkali metal reacts vigorously with water to form white products when they combine with oxygen. A valence electron is the electron in the outermost energy level (outermost shell) of an atom.