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An Element Has an Atomic Number 12. How Many Electrons Will Be Present in the K, L and M Energy Shells of Its Atom? - Science

Short Note

An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom?

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Solution

Electronic configuration of element with atomic number 12 is:   
     K2  L8  M2   
There will be 2 electrons in the K shell, 8 electrons in the L shell and 2 electrons in the M shell of its atom.

Concept: Atomic Number (Z)
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Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 4 Structure of the Atom
Short Answer Type Questions | Q 32 | Page 193
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