Soft metals, highly reactive with water, never found uncombined in nature, Least reactive group of elements, Inert, Non-metals, Alkaline Earth elements, Most reactive group of nonmetals, never found uncombined in nature, good semi conductors, therefore used in microchips, Often found in elemental form in nature, good conductors of heat and electricity, only liquid metal at room temperature, Start of the synthetic elements (Transuranic Chemical elements), nonmetal on metal side of the table, Rare earth elements.

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