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Definition of quantum number in English: quantum numbernoun Physics A number which occurs in the theoretical expression for the value of some quantized property of a subatomic particle, atom, or molecule and can only have certain integral or half-integral values. Example sentencesExamples - However, in the early 50s Murray Gell-Mann suggested that these new particles had a conserved quantum number which he called ‘strangeness.’
- The principal quantum number tells us how far from the nucleus a certain electron is, i.e. what level it occupies, the greater is n, the farther it is from the nucleus.
- In the quantum mechanical model, the energy of the ground state (or the lowest energy level possible in the molecule) is not zero, but a finite quantity which is a function of Planck's constant and the vibrational quantum number.
- Similar orbital schemes may be constructed for larger values of the principal quantum number.
- Each quantum number describes the value of a property of the electron.
Definition of quantum number in US English: quantum numbernoun Physics A number which occurs in the theoretical expression for the value of some quantized property of a subatomic particle, atom, or molecule and can only have certain integral or half-integral values. Example sentencesExamples - Each quantum number describes the value of a property of the electron.
- Similar orbital schemes may be constructed for larger values of the principal quantum number.
- In the quantum mechanical model, the energy of the ground state (or the lowest energy level possible in the molecule) is not zero, but a finite quantity which is a function of Planck's constant and the vibrational quantum number.
- The principal quantum number tells us how far from the nucleus a certain electron is, i.e. what level it occupies, the greater is n, the farther it is from the nucleus.
- However, in the early 50s Murray Gell-Mann suggested that these new particles had a conserved quantum number which he called ‘strangeness.’
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