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Grade: 12th pass

                        

Most Electronegative element is: A) F B) Cs C) He D) I

Most Electronegative element is:

    A) F

B) Cs

C) He

D) I

5 months ago

Answers : (2)

Vikas TU
14148 Points
							
Dear student 
Electronegativity increases from bottom to top in groups, and increases from left to right across periods. Thus, fluorine is the most electronegative element, while francium is one of the least electronegative.
Fluorine is the most electronegative element. Fluorine has an electronegativity of 3.98 on the Pauling Electronegativity Scale and a valence of 1.
5 months ago
Vikas Amritiya
askIITians Faculty
158 Points
							

Fluorine is the most electronegative element because it contains 5 electrons in its 2p shell. The optimal electron configuration of the 2p orbital contains 6 electrons. So since fluorine is so close to inert gas configuration the electron are held lightly to the nucleus.

5 months ago
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