Problem: Give the number of lone pairs around the central atom and the geometry of the ion SeO42–.             A)      0 lone pairs, square planar             B)      1 lone pair, square pyramidal             C)      1 lone pair, distorted tetrahedron (seesaw)             D)      0 lone pairs, tetrahedral             E)      2 lone pairs, square planar

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Give the number of lone pairs around the central atom and the geometry of the ion SeO42–.

            A)      0 lone pairs, square planar

            B)      1 lone pair, square pyramidal

            C)      1 lone pair, distorted tetrahedron (seesaw)

            D)      0 lone pairs, tetrahedral

            E)      2 lone pairs, square planar

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