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Na+ has completely filled K and L shells. Explain. - CBSE Class 9 - Science

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Question

Na+ has completely filled K and L shells. Explain.

Solution

An atom of Na has a total of 11 electrons. Its electronic configuration is 2, 8, 1. But, Na+ ion has one electron less than Na atom i.e., it has 10 electrons. Therefore, 2 electrons go to K-shell and 8 electrons go to L-shell, thereby completely filling K and L shells.

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APPEARS IN

 NCERT Solution for Science Textbook for Class 9 (2018 to Current)
Chapter 4: Structure of the Atom
Q: 9 | Page no. 55

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Solution Na+ has completely filled K and L shells. Explain. Concept: Concept of Electrons Distributed in Different Orbits (Shells).
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