Respuesta :

wiseowl2018

Answer:

Before the 4p orbit starts to fill, the element must have:  

1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d¹⁰,  

which is Zn.  

Depending on the number of electrons in the 4p, the element might be Ga to Kr, inclusive

Otras preguntas