Question 3Which element has(a) two shells, both of which are completely filled with electrons ?(b) the electronic configuration 2, 8, 2 ?(c) a total of three shells, with four electrons in its valence shell ?(d) a total of two shells with three electrons in its valence shell. v(e) twice as many electrons in its second shell as in its first shell ?

Harshit Singh , 4 Years ago

Grade 12th pass