The Electron Configuration: Ions Video Lessons

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Problem: What is the electron configuration of Ca 2+?

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We can determine the electron configuration of Ca2+ by determining the ground-state electronic configuration of calcium (Ca) first by referring to the periodic table and locating the position of Ca in the periodic table.

Ground-state means that the element is in its lowest energy form (not in excited state). Ca has no charge which means that no electrons are removed or added in the atom.

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What is the electron configuration of Ca 2+?

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