Question: Write electron configurations for the following ions, and determine which have noble-gas configurations: (a). Cr3+ (b). N3- (c). Sc3+ (d). Cu2+ (e). Tl+ (f). Au+

Write electron configurations for the following ions, and determine which have noble-gas configurations:
(a). Cr3+
(b). N3-
(c). Sc3+
(d). Cu2+
(e). Tl+
(f). Au+

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