Question

Observe Table 2.1 indicating the electronic configuration of noble gases. Element Atomic number Electronic configuration 2 2 Helium (He) Neon (Ne) 10 2,8 18 2, 8,8 36 2, 8, 18,8 Argon (Ar) Krypton (kr) Xenon (Xe) Radon (Rn) 54 2, 8, 18, 18,8 86 2, 8, 18, 32, 18,8 Table 21 How many electrons are present in the outermost shell of these elements except in the case of helium? What is the maximum number of electrons that can be accomodated in the outermost shell of an element?​

Answer 1

Answer:

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