Which of the elements, from the second period, should form the least polar bond

Question

Which of the elements, from the second period, should form the least polar bond to hydrogen, based on Pauling electronegativities?

is it the lowest electronegativities value has the least polar bond?

https://ptable.com/#Property/Electronegativity

From the table, I can see that Li has 0.98 electronegativity, but my answer is wrong. Why?

| Li which of the elements, from the second period, should form the least polar bond to hydrogen, based on Pauling electronegativities? 1pts Submit Answer Incorrect. Tries 1/3 Previous Tries

Explanation / Answer

Answer:-

Lower is the difference between the electronegtivities, least polar is the bond

So, for second period, least polar bond with H

= B

Because Pauling elecronegativies difference is least for H and B

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