If the electronegativity of chlorine is 3.0 and that of hydrogen is 2.1, what is the difference in electronegativity and does this bond have a dipole moment?

• A. 0.4, and it has a dipole moment.
• B. 0.4, and it does not have a dipole moment.
• C. 0.9, and it has a dipole moment.
• D. 0.9, and it does not have a dipole moment.

Answer: (C)