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Q)Write all the quantum numbers for …

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Q)Write all the quantum numbers for sodium z=11

Posted by Moin Uddin 5 years, 7 months ago

CBSE > Class 10 > Science

1 answers

Meghna Thapar 5 years, 5 months ago

The number of electrons of sodium atom is 11 of which 2 occupy the n=1 level, 8 occupy the n =2 level and 1 occupies the n= 3 level according to the rule that the maximum number of electrons a level can occupy is . So the quantum numbers for n = 3, l = 0, m=0, s= +/- 1/2. For example, sodium is in the third period of the table, so its principal quantum number is 3. Denote the principal quantum number as n and the second number, shape, is anywhere from 0 to n-1. So for sodium, the second quantum numbers are 0,1 and 2.

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