Question
Write down the electronic configuration of:
$ \mathrm{Cu}^{+}$
$ \mathrm{Cu}^{+}$
✓
Answer
$ \mathrm{Cu}^{+}: 1 s^2 2 s^2 2 p^6 3 s^2 3 p^6 3 d^{10} $
$\text { Or, }[\mathrm{Ar}]^{18} 3 d^{10}$
$\text { Or, }[\mathrm{Ar}]^{18} 3 d^{10}$
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