Question

configuracion electronica de 55

Answer 1

1 s2, 2 s2, 2 p6 , 3 s2, 3 p6, 3 d 10, 4 s2,4 p6, 4 d10, 4 f9

Answer 2

1s2 , 2s2 2p6 , 3s2 3p6, 4s2, 3d10, 4p6, 5s2 ,4d10 5p6, 6s1 ,