Question: Consider the elements O, Ba, Co, Be, Br, and Se. From this list select the element that (a) Is most electronegative (b) Exhibits a maximum

Consider the elements O, Ba, Co, Be, Br, and Se. From this list select the element that
(a) Is most electronegative
(b) Exhibits a maximum oxidation state of +7
(c) Loses an electron most readily
(d) Forms π bonds most readily
(e) Is a transition metal
(f) Is a liquid at room temperature and pressure.

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