Question

Write condensed electron configurations for the following atoms and ions, using appropriate noble-gas core abbreviations. Put...

Write condensed electron configurations for the following atoms and ions, using appropriate noble-gas core abbreviations. Put superscripted electron count numbers in parentheses. Examples: Fe = [Ar]4s(2)3d(6), Sn2+ = [Kr]4d(10)5s(2), S2- = [Ar].

(a) Si=

(b) Zn2+=

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Answer #1

a) = Si = 12 = 1s22s22p63s23p2 = [Ne]3s23p2

b) Zn+2 = 28 electrons = 1s22s22p63s23p63d10 = [Ar]3d10

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