For period $$n$$:
$$(n-1)d^{1-10}ns^{0-2}$$Exceptions: Cr ($$3d^54s^1$$), Cu ($$3d^{10}4s^1$$)
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CAT Formulas
d and f-Block Elements
General Electronic Configuration (d-Block)
For period $$n$$:
$$(n-1)d^{1-10}ns^{0-2}$$Exceptions: Cr ($$3d^54s^1$$), Cu ($$3d^{10}4s^1$$)
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