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

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Short Note

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

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Solution 1

Boron

Solution 2

Boron is an element with a total of two shells, with three electrons in its valence shell. Its atomic number is 5 and electronic configuration is 2,3.
Electronic configuration:- Shells:                   K L
                                          Electrons arranged: 2 3

Concept: Periodic Properties
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APPEARS IN

NCERT Class 10 Science
Chapter 5 Periodic Classification of Elements
Q 3.4 | Page 91
Lakhmir Singh Class 10 Chemistry (Science)
Chapter 5 Periodic Classification Of Elements
Q 47.4 | Page 284

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