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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.
an alkali metal are all elements in group 1 of the periodic table except for hydrogen. A valence electron is an electron in the outermost shell. There can only be up to 8 valence elections and the valence electrons are the ones involved in chemical reactions. the alkali metals all have 1 valence electron. Noble gasses have 8 EDIT: yeah, I don't know what the thumbs downs were for. I didn't say anything wrong did I?
The Alkali metals are those Elements found in Group 1 of the Periodic Table of Elements. Each has a single valence Electron. The valence Electron is the single Electron occupying the outer Energy shell of the Atom's Electron 'Cloud'. (Hydrogen is also found at the top of this group but actually belongs to the 'Non-metal' group but, having a single valence electron, it behaves like an Alkali metal). (To the thumbs downer. We are discussing the Alkali metals here. The above answer refers to those elements only,.. NOT other elements. It is a perfectly correct answer.
