Chapter 8 Journey Inside the Atom - Part 3

What is the electron configuration of Na⁺?

Type: MCQ • Marks: 1
What is the electron configuration of Na⁺?
Options
A. 2,8
B. 2,8,8
C. 2,7
D. 2,8,1
Explanation
Na⁺ loses its outer electron, leaving configuration 2,8.
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Class 9th Science (MCQ)

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