Here's why:
* Alkali Metals: Potassium belongs to Group 1 of the periodic table, which is the alkali metal group. All elements in this group are metals.
* Properties of Metals: Metals are generally shiny, malleable (can be hammered into shapes), ductile (can be drawn into wires), good conductors of heat and electricity, and have a high melting point. Potassium exhibits these properties.
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