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Which Element Has A Total of Three Shells, with Four Electrons in Its Valence Shell? - Science

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Question

Which element has a total of three shells, with four electrons in its valence shell?

Solution 1

Silicon

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Solution 2

Silicon is an element with a total of three shells and four electrons in its valence shell. Its atomic number is 14 and the electronic configuration is 2,8,4.
Electronic configuration:- Shells:                   K L M
                                          Electrons arranged:   2 8 4

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Chapter 5: Periodic Classification Of Elements - Exercise 1 [Page 284]

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Lakhmir Singh Chemistry (Science) [English] Class 10
Chapter 5 Periodic Classification Of Elements
Exercise 1 | Q 47.3 | Page 284
NCERT Science [English] Class 10
Chapter 5 Periodic Classification of Elements
Exercises | Q 3.3 | Page 91

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