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Quantum numbers

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Which element(s) has an outermost electron that could be described by the following quantum numbers:

(3,1,-1,+1/2) ?

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Interpreting the quantum numbers:

Qunatum numbers are given in the following order:
1. Principal quantum number (n) - describes the energy level in which the electron can be found. Has a whole number, with positive value, from 1 to 7.
2. Azimuthal quantum number (l) - describes the shape of the orbital. Can ...

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