Question

principal quantaum number​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Principal Quantum Number (n)

Principal Quantum Number (n) The principal quantum number , signified by (n), is the main energy level occupied by the electron. Energy levels are fixed distances from the nucleus of a given atom. They are described in whole number increments (e.g., 1, 2, 3, 4, 5, 6, . . .).

Explanation:

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