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  • Which of the following elements does not lose an electron easily (a) Na (b) F (c) Mg (d) Al

 Which of the following elements does not lose an electron easily?
(a) Na
(b) F
(c) Mg
(d) Al

Answers (1)

Ans (b)
Sol
Fluorine (F) has atomic number 9
Electronic configuration: 2, 7.
Fluorine has a tendency to gain one electron to form a stable configuration with 8 electrons in the outermost shell.
Fluorine is the most electronegative element in the whole periodic table. So, it does not lose the electron that easily.

Hence option (b) is correct.

 

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infoexpert27

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