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18 July, 17:30

On the basis of electronegativity, which pair of elements is most likely to form a polyatomic ion?

A. Cs and Cl

B. Ba and O

C. O and P <- - I believe this is correct.

D. Na and Br

Answers (1)
  1. 18 July, 18:22
    C is the correct answer!


    O and P have a minimum of electronegativity so they are more likely to create a poly ion
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