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Vlada [557]
3 years ago
8

Which of the following represents the electron configuration of s⁻?

Chemistry
1 answer:
GrogVix [38]3 years ago
4 0

Answer:

[Ne] 3s² 3p⁴

Explanation:

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In the ground-state electron configuration of fe3+, how many unpaired electrons are present? express your answer numerically as
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Answer:
            Iron has 5 unpaired electrons in Fe⁺³ state.

Explanation:

Iron having atomic number 26 has following electronic configuration in neutral state.

                             Fe =  1s², 2s², 2p⁶, 3s², 3p⁶, 4s², 3d⁶

When Iron looses three electrons it attains +3 charge with following electronic configuration.

                             Fe⁺³ =  1s², 2s², 2p⁶, 3s², 3p⁶, 3d⁵

The five electrons in d-orbital exist in unpaired form as,

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