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Answered

What does the sign represent with respect to electrons?

Aopposite spin of two electrons

Bdifferent principal energy levels of two electrons

Cdistances of two electrons from the nucleus

Dattraction between two electrons

the sign is an up arrow and a down arrow next to each other

the answer is A. opposite spin of two electrons

Verified Answer :

IthaloAbreu

Answer:

A. opposite spin of two electrons

Explanation:

Four quantum numbers identify electrons:

n - the principal number. It indicates the shell where the electron is, and it is from 1 to 7 and by the letters K, L, M, N, O, P, and Q.

l - the azimuthal number. It indicates the subshell where the electron is, and it varies from 0 to 3 and it is represented by the letters s, p, d, and f.

ml - the magnetic number. It represents the orbital where it is easy to find the electron. Each orbital supports two electrons, and it varies from -l to +l.

ms - the spin number. It represents the spin of the electron, which can be -1/2 or + 1/2. At the orbital, the electrons have different spins, which are represented by arrows, the up arrow represents the -1/2 and the down arrow the +1/2.

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