1. Which of the subsequent elements have two unpaired electrons and consequently are paramagnetic?
Na, Mg, Al, Si, P, S, Cl, Ar
2. Which of the subsequent elements are diamagnetic all electron spins are paired?
Na, Mg, Al, Si, P, S, Cl, Ar
3. Which of the subsequent elements have two unpaired electrons as well as consequently are paramagnetic?
Na, Mg, Al, Si, P, S, Cl, Ar