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प्रश्न
Show diagrammatically the electron distributions in a sodium atom and a sodium ion and also give their atomic number.
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उत्तर
11Na -2,8,1 (11 electrons)
Na – 1e–—> Na+ (10 electrons) Electronic configuration 2, 8.
The atomic number of an element is equal to the number of protons in its atom. Since, sodium atom and sodium ion contain the same number of protons, therefore, the atomic number of both is 11.
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