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Atoms — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsAtoms1 Mark
Question
What is the electronic configuration of phosphorus?
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Answer

  1. 2, 8, 5
Explanation:
Phosphorus has atomic no-17. so its k shell has 2 electron, L shell has 8 electron and M shell has 5 electron.

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