contestada

4)
Fluorine and element Z have similar chemical properties. Element Z could have an electron
configuration of
A)
2-2
B)
2-8-1
C)
2-8-8
D)
2-8-18-7

Respuesta :

Answer:

D) 2.8.18.7

Explanation:

because it has 7 valence electron that occupied by shells