Which element hasTwo shells, both of which are completely filled with electrons?The electronic configuration 2, 8, 2?A total of three shells, with four electrons in its valence shell?A total of two shells, with three electrons in its valence shell?

Which element hasTwo shells, both of which are completely filled with

1.	Which element hasTwo shells, both of which are completely filled with electrons?The electronic configuration 2, 8, 2?A total of three shells, with four electrons in its valence shell?A total of two shells, with three electrons in its valence shell?
Answer» Two shells, both of which are completely filled with electrons? Answer: Ne (Neon) The electronic configuration 2, 8, 2? Answer: Mg (Magnesium) A total of three shells, with four electrons in its valence shell? Answer: Si (Silicon) (14): 2, 8, 4 A total of two shells, with three electrons in its valence shell? Answer: B (Boron) (5): 2, 3