Question

Write down electronic configuration of S", F and Ca and identify their groups and
periods​

Answer 1

Answer:

Hope this helps you

Explanation:

Electron shell configurations of the first 18 elementsThe electron shell configurations of the first 18 elements in the periodic table. The corresponding energy levels (n) are listed in green numbers to the left. The number of outer-shell electrons is represented by the right-most digit in the group numbers.