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Select the word from the list that best fits the definition classification of most stars on the h-r diagram

Which object is most likely represented by a dot?

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .