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Question 3 Which 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 ?

Question 3
Which 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 ?

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 24165 Points
11 months ago
(a) Neon (2, 8) (b) Magnesium (c) Silicon (2, 8, 4) (d) Boron (2, 3) (e) Carbon (2, 4)

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