The electron configuration can also be represented by writing the symbol for the

Question

The electron configuration can also be represented by writing the symbol for the occupied subshell and adding a superscript to indicate the number of electrons in that subshell. For example, consider a carbon atom having an atomic number of 6. The total number of electrons in a neutral carbon atom is 6. The electron configuration of the carbon atom represented by the orbital diagram is This electron configuration can be written as 1_8^2,2_8^2,2P^2 Where 1_8,2_8,and 2P are the occupied subshells, and the superscript "2" is the number of electrons in each of these subshells. Use the rules for determining electron configurations to write the electron configuration for mk. Express your answer in complete form in order of increasing orbital energy. For example, 1_8^2,2_8^2 should be entered as.

Explanation / Answer

The electron configuraiton of Mg;

Mg has Z = 12

therefore we have e = 12 eletrons

apply rules:

1s2 2s2 2p6 3s2

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