Question: The following electron configurations represent excited states. Identify the element, and write its ground-state condensed electron configuration. (a) 1s2 2s2 3p2 4p1, (b) [Ar] 3d10

The following electron configurations represent excited states. Identify the element, and write its ground-state condensed electron configuration.
(a) 1s2 2s2 3p2 4p1,
(b) [Ar] 3d10 4s1 4p4 5s1,
(c) [Kr] 4d65s25p1.

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