What is the general trend followed while filling of electrons across a – InterviewSolution

1.	What is the general trend followed while filling of electrons across a period in the modern periodic table.
Answer» A period begins by filling of one electron to the ‘s’ subshell of a new shell and ends when an element corresponding to the same shell attains complete octet (or duplet). Between these two ‘s’ and ‘p’ subshell of the valence shell, the inner subshells ‘d’ and ‘f’ are filled successively following the aufbau principle.

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