How many energy levels are present in sodium atom?

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Solution

The correct option is C
3

Explanation:
The atomic number of sodium atom is $11$ .
The electronic configuration of the sodium atom is $2, 8, 1$ .
So, there are three energy levels in sodium atom i.e, $K, L, M$ .
Therefore, option C is correct. There are $3$ energy levels present in the sodium atom.

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How many energy levels are present in sodium atom?

The correct option is C 3Explanation: The atomic number of sodium atom is 11.The electronic configuration of the sodium atom is 2,8,1.So, there are three energy levels in sodium atom i.e, K,L,M.Therefore, option C is correct. There are 3 energy levels present in the sodium atom.

The correct option is C
3

Explanation:
The atomic number of sodium atom is $11$ .
The electronic configuration of the sodium atom is $2, 8, 1$ .
So, there are three energy levels in sodium atom i.e, $K, L, M$ .
Therefore, option C is correct. There are $3$ energy levels present in the sodium atom.