Which is classified as nonpolar covalent?

Which is classified as nonpolar covalent?

Q. Which is classified as nonpolar covalent?

  1. the H-I bond in HI
  2. the H-S bond in H2S
  3. the P-Cl bond in PCl3
  4. the N-Cl bond in NCl3
  5. the N-H bond in NH3

Answer: the N-H bond in NH3

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