Question

What is electronic configuration of fluorine

Answer 1

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here is you answer dear......

Fluorine is the ninth element with a total of 9 electrons. In writing the electron configuration for fluorine the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for F go in the 2s orbital. The remaining five electrons will go in the 2p orbital. Therefore the F electron configuration will be 1s22s22p5.

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Answer 2

[He] 2s2 2p5
2,7
The fluorine atom has seven valence electrons. The atomic number of fluorine is 9, and its electronic configuration is [He] 2s2 2p5. The atom of fluorine prefers to gain an electron to complete its last orbit