Use the table to answer the question.

Element Electronegativity
bromine 2.8
oxygen 3.5
nitrogen 3.0
phosphorus 2.1
Based on the information in the table, which pair of elements would likely form the least polar bonds with each other?

(1 point)
Responses

bromine and nitrogen
bromine and nitrogen

phosphorus and bromine
phosphorus and bromine

nitrogen and oxygen
nitrogen and oxygen

oxygen and phosphorus
oxygen and phosphorus
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1 answer

To determine which pair of elements would form the least polar bonds, we can look at the differences in their electronegativities. The smaller the difference, the less polar the bond.

  1. Bromine and Nitrogen:
    Electronegativity difference = |2.8 - 3.0| = 0.2

  2. Phosphorus and Bromine:
    Electronegativity difference = |2.1 - 2.8| = 0.7

  3. Nitrogen and Oxygen:
    Electronegativity difference = |3.0 - 3.5| = 0.5

  4. Oxygen and Phosphorus:
    Electronegativity difference = |3.5 - 2.1| = 1.4

From these calculations, the pair that forms the least polar bonds is bromine and nitrogen, with an electronegativity difference of only 0.2.

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