Problem: Give the actual electron configuration for copper (Cu).(a) [Ar] 4s13d10(b) [Ar] 3d9(c) [Ar] 4s23d9(d) [Ar] 4s23d8(e) [Ar] 4s23d10

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Determine the electron configuration of Cu using the concept of orbital diagrams and electron configuration

Before we can do that, we have to first write the electron configuration of a neutral ground state copper (Cu).

You can determine the ground-state electron configuration of Copper (Cu) by locating the position Cu in the periodic table.

Ground-state means that the element is in its lowest energy form (not in excited state). Neutral Cu means it has no charge, meaning no electrons are removed or added in the atom.

You see in the above illustration of the periodic table that Cu is in Period 4 and d-block

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Problem Details

Give the actual electron configuration for copper (Cu).

(a) [Ar] 4s13d10

(b) [Ar] 3d9

(c) [Ar] 4s23d9

(d) [Ar] 4s23d8

(e) [Ar] 4s23d10

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