Which set has the same number of s -electrons?

Which set has the same number of unpaired electrons in their ground state?

Which jave the same number of s-electrons as the d-dlectrons in Fe^(2+) ?

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

An atom of uranium has closed 6p and 7s subshell. Which subshell has greater number of electrons?

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

Which pair of the following 4d series elements has the same number of electrons in 4d sub-shell?

Which of the following set of ions have the same number of electrons ?