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: Periodic Properties

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Q 47.4 Q 47.3 Q 47.5

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

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Chapter 5 Periodic Classification Of Elements
Exercise 1 | Q 47.4 | Page 284

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Chapter 5 Periodic Classification of Elements
Exercises | Q 3.4 | Page 91

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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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