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11 Nov 2019
Question 6 A neutral atom has the following electron configuration: 1s 2s 2p 3s What is the chemical symbol for the atom? MgIcP How many electrons does the atom have? 12 D How many 3d electrons are in the atom?
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Jean Keeling
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List these electron subshells in order of increasing energy. 3s, 2s, 3p, 2p Note for advanced students: you may assume these subshells are all in an atom with many electrons, not a hydrogen atom.
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