Write the electronic configuration of atoms using the electronic formulas for elements with serial

Write the electronic configuration of atoms using the electronic formulas for elements with serial numbers 12, 25, 31, 34, 45.

The electronic configuration of an atom is a numerical representation of its electronic orbitals.

Magnesium: 12 Mg 1s 22s 22p 63s 2;

Manganese: 25 Mn 1s 22s 22p 63s 23p 64s 23d 5;

Gallium: 31 Ga 1s 22s 22p 63s 23p 64s 23d 104p 1;

Selenium: 34 Se 1s 22s 22p 63s 23p 64s 23d 104p 4;

Rhodium: 45 Rh 1s 22s 22p 63s 23p 64s 23d 104p 65s 14d 8.



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