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k0ka [10]
3 years ago
11

Which of the elements below has the greatest electronegativity? He F Fr Rn

Chemistry
2 answers:
Studentka2010 [4]3 years ago
8 0

Answer: The element having greatest electronegativity is Fluorine.

Explanation:

Electronegativity is defined as the tendency of an element to attract electrons towards itself. More strongly an element attracts electrons, more will be its electronegativity and vice-versa.

Electronegativity of Group 18 elements is usually 0 except Xenon which has an electronegativity value of 2.6. These elements have filled valence shell and hence they do not attract electrons towards itself and hence, has no electronegativity.

In a periodic table, electronegativity decreases down the group and increases from left to right in a period.

Fluorine is present at Period 2, Group 17 of the periodic table.

Francium is present at Period 7, Group 1 of the periodic table.

Hence, fluorine will have the greatest value of electronegativity among the given elements.

Law Incorporation [45]3 years ago
3 0

F.
it's the greatest electron "hogger"
as you get closet to it, the stronger the electro negitivity.
He is halogen : they don't like to gain electrons. they are already stable.

Fr and Rn
are metals as far is I can remember. they would prefer losing electrons.
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