Multiple choice

Directions: The following question has four choices out of which ONLY ONE is correct.

Which of the following has the strongest covalent bond?

  1. H-Cl

  2. Cl-Cl

  3. C-Cl

  4. Na-Cl
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Covalent bonds are affected by the electronegativity of the connected atoms. Two atoms with equal electronegativities will make non-polar covalent bonds such as Cl−Cl. An unequal relationship creates a polar covalent bond such as with H−Cl.

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