Problem: Write the electron configuration for  Co2+.

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We’re being asked to determine the electron configuration of Co2+ ion

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

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

Ground-state means that the element is in its lowest energy form (not in excited state). Neutral barium 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 Co is in Period 4 and d-block

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Write the electron configuration for  Co2+.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Electron Configuration concept. You can view video lessons to learn Electron Configuration. Or if you need more Electron Configuration practice, you can also practice Electron Configuration practice problems.

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Based on our data, we think this problem is relevant for Professor Tang's class at USF.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry - OpenStax 2015th Edition. You can also practice Chemistry - OpenStax 2015th Edition practice problems.