Question

the most and least eletronegative elements among the following pairs :
1.oxygen,fluorine 2.fluorine,oxygen
3.fluorine, cesium 4.carbon,fluorine​

Answer 1

Answer:

[A] Fluorine and Caesium

[B] Hydrogen and Helium

[C] Carbon and Oxygen

[D] Chlorine and Fluorine

Explanation:

Correct Answer: A [Fluorine and Caesium]

Notes:

Caesium is the least electronegative element in the periodic table and Fluorine is the most electronegative. Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons

Answer 2

Answer is 3. Fluorine and Caesium.

Fluorine is the most electronegative element.

Caesium is the least electronegative element