According to System 1, if an element's outermost level has only an $s$ orbital, the group number equals—

Question

Accepted Answer

number of $s$ electrons

Answer

number of $s$ electrons + 10

Answer

number of $s$ + $p$ electrons

Answer

number of $s$ + $d$ electrons

According to System 1, if an element's outermost level has only an sss orbital, the group number equals—