Number indicating the relative sizes and energies of atomic orbitals. It is assigned by the quantum mechanical model. Principal quantum number. It is a number that tells us how far an electron is likely to be from the nucleus of an atom.
Principal Quantum Number: Number indicating the relative sizes and energies of atomic orbitals. It is assigned by the quantum mechanical model. Principal quantum number. It is a number that tells us how far an electron is likely to be from the nucleus of an atom.
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