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lyudmila [28]
4 years ago
14

"the number of quantum numbers needed to describe the state of an atomic electron is"

Chemistry
1 answer:
Blababa [14]4 years ago
5 0
To completely describe an electron in an atom, four quantum numbers are needed: energy (n), angular momentum (ℓ), magnetic moment (mℓ), and spin (ms). The first quantum number describes the electron shell, or energy level, of an atom.
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