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The electron configuration describes the different orbitals that contain electrons for the atom of interest.
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They contain both s -orbital and p -orbitles and the farther down the prionate table, the more complicated because the more electrons you have.
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I chose calcium, which is a more complicated electric configuration as an example to give you an idea of how this works.
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So outside of your nucleus here, you have your first orbital.
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Which is the 1s orbital, which contains two electrons.
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And then if you move out again, you have another s -orbital that once again contains two electrons.
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So it's 1s2, and then it's 2s2.
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Moving outward again, you have your first p -orbitles.
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P -orbitles are different than s -orbital because they contain six electrons instead of just two...