Mon February 20, 2012 By:

Electronic configuration of Calcium(20) is 2,8,8,2.But Scandium the next element has electronic distribution(21) istead of 2,8,8,3. Why does not it follows the general rule? please explain

Expert Reply
Tue February 21, 2012
The d-orbital get start filling from Scandium onwards that why the electronic configuration of Scandium is not 2,8,8,3
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