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Outer electronic configuration of Cu is ...

Outer electronic configuration of Cu is `ul(3d^9) ul (4s^2)`.

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To determine the correct outer electronic configuration of copper (Cu), we need to analyze the electron configuration step by step. ### Step 1: Understand the electron configuration notation The electron configuration notation describes the distribution of electrons in an atom's orbitals. The notation consists of subshells (s, p, d, f) and the number of electrons in each subshell. ### Step 2: Know the atomic number of copper Copper has an atomic number of 29. This means that a neutral copper atom has 29 electrons. ...
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