The Molecular Mass for Chlorine Is Not an Integer Multiple

question 23

Multiple Choice

The molecular mass for chlorine is not an integer multiple of the molecular mass of hydrogen but is about 35.5 times the molecular mass of hydrogen. This is primarily because:

• A) of the binding energy of the chlorine nucleus.
• B) there are different isotopes of chlorine.
• C) the chlorine nucleus has 35.5 nucleons.
• D) the proton and neutron have different masses.

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