thurayayehia11 thurayayehia11 17-11-2021 Chemistry contestada PLEASSEE HELLP!! _Which of the following considered as isoelectronic particles? _ (a)7 N-3 ,8 O-2 , 9F-1 (b) 8 O-2 ,9 F-1, 16 s-2 (C) 18 Ar , 20 Ca+2, 11 Na+ (d) 18 Ar , 12 Mg+2, 16 s-2