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

Short Note

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

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: Trends in the Modern Periodic Table

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Chapter 5: Periodic Classification of Elements [Page 91]

Q 3.4 Q 3.3 Q 3.5

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NCERT Class 10 Science Textbook

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

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

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Solution 1

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