Question

Write the distribution of electrons in carbon and sodium atoms?

  • structure of the atom CBSE Class 9
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Answer

The total number of electrons in a carbon atom is 6. The distribution of electrons in carbon atom is given by:

First orbitย  ย  ย  ย  ย  ย  ย orย  ย  ย  ย K-shellย  ย  ย  ย  ย = 2 electrons

Second orbitย  ย  ย  ย orย  ย  ย  ย  L-shellย  ย  ย  ย  ย = 4 electrons

Or,

we can write the distribution of electrons in a carbon atom as 2, 4.

The total number of electrons in a sodium atom is 11. The distribution of electrons in sodium atom is given by:

First orbitย  ย  ย  ย  ย  orย  ย  ย  ย  ย K-shellย  ย  ย  ย  ย = 2 electrons

Second orbitย  ย  orย  ย  ย  ย  ย  L-shellย  ย  ย  ย  ย  = 8 electrons

Third orbitย  ย  ย  orย  ย  ย  ย  ย  M-shellย  ย  ย  ย  ย = 1 electron

Or,

we can write distribution of electrons in a sodium atom as 2, 8, 1.

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