How many orbitals are there in the second principal energy level, n = 2, of an atom?

1

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4

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16

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Solution

The correct option is C $4$
There are four orbitals in the second principal energy level, n = 2, of an atom. These include one 2s orbital and three 2p orbitals. Three 2p orbitals include $2 p_{x}$ , $2 p_{y}$ and $2 p_{z}$ orbitals.

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