The least massive of all the alkaline earth metals. Who am I?
Chemistry · High School · Tue Nov 03 2020
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Barium
Barium (Ba) has the smallest electronegativity among the alkaline earth metals.
Barium is a chemical element with the symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never found in nature as a free element.