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Which of the following is characterized by existing at a discrete energy level?


spin number


subatomic particle


orbital


atomic number

Verified Answer :

Edufirst

The orbitals are the regions occupied by the electrons.

The orbitals are 1s, 2s, 2p, 3s, 3p, 3d, 4s, 4p, 4d, etc. Each orfbital has, a different discrete energy level that characterize it.

Then the answer is orbital.

Answer:the answer is orbital.

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