Write names from description- family ofmetals have valency one
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The second column on left side of the periodic table is called group II A / group 2. These are beryllium(Be), magnesium(Mg), calcium(Ca), strontium (Sr), barium( Ba) and Radium( Ra).
It is a group or family of alkaline earth metals. All these elements have two electrons in their valence shell, and thereby ,are divalent.
It is a group or family of alkaline earth metals. All these elements have two electrons in their valence shell, and thereby ,are divalent.
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