Copper atom has completely filled d-orbitals. How can it be considered – InterviewSolution

1.	Copper atom has completely filled d-orbitals. How can it be considered as a d-block metal ?
Answer» Solution :Even THOUGH copper ATOM has `3d^(9)4s^(1)` configuration,cupric ion has `3d^(9) 4s^(0)`i.e. PARTIALLY filled d-orbitals

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