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rainbow22 Group Title

The pair of elements that forms the LEAST polar bond is a. Na and Cl c. S and Cl b. N and Cl d. Si and Cl The answer is B, can anyone explain why? Thanks.

  • 2 years ago
  • 2 years ago

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  1. rainbow22 Group Title
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    I thought it would be A seeing how NaCl form an ionic bond...

    • 2 years ago
  2. wombat Group Title
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    Wait the choices run a,c,b,d. Which one is b?

    • 2 years ago
  3. rainbow22 Group Title
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    N and Cl. Sorry, the answer choices are messed up.

    • 2 years ago
  4. wombat Group Title
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    Na + Cl is going to be VERY polar since the electron will become essentially part of the C. S + Cl will share the electrons slightly unevenly as Cl "wants" the electron more than S. Since N + Cl have different numbers of electrons to acquire, the electrons will gravitate more towards Cl since it is more massive in size comparison and needs only one electron (thus the Z effect or effect of the nucleus will become stronger and pull the electrons closer to Cl).

    • 2 years ago
  5. rainbow22 Group Title
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    Does this have to do with the different charges?

    • 2 years ago
  6. mos1635 Group Title
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    deferance in electronegativity more likely

    • 2 years ago
  7. rainbow22 Group Title
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    Okay. Thanks.

    • 2 years ago
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