Describe the electron configuration of an atom of Sodium (Na) with atomic number 11.
ChemistryClass 9CBSEAnswered 12 May 2026
Answer
For Sodium (atomic number 11), the electron configuration is 2, 8, 1. This means there are 2 electrons in the first shell, 8 electrons in the second shell, and 1 electron in the outermost (valence) shell.
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