The species that has the same number of electrons as `""_(17)^(35)Cl` is

Which set has the same number of s electrons?

Which set has the same number of s -electrons?

Find the neutral atom in the periodic table which has the same number of electrons as K^(+) and Cl^(-) . What is this number?

which among the following species has the same number of electrons in its outermost as well as penultimate shell ?

Which of the following species has the same number of electrons in the outermost and penultimate shells?