| 11. | These quantum numbers are labels identifying the hadrons, and are of two kinds.
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| 12. | Here n is principal quantum number, l is orbital quantum number.
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| 13. | The principal quantum number in hydrogen is related to the atom's total energy.
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| 14. | Lepton number and baryon number are two types of quantum numbers.
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| 15. | These are all the quantum numbers that the system can have.
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| 16. | If they have spin, there must be other quantum numbers too.
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| 17. | The quantum number represented the sense ( positive or negative ) of spin.
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| 18. | For a group-theoretical interpretation of these quantum numbers, see this article.
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| 19. | I tend to think of it as just another quantum number.
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| 20. | :BTW mass and energy are the same thing, except that mass has quantum numbers.
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