A molecular ion has a m/z ratio of 143.What can be said about that molecule?

Name: A molecular ion has a m/z ratio of 143.What can be said about that molecule?
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Quizplus · Accepted Answer

Molecular ions with an odd m/z ratio indicate the presence of an odd number of nitrogen atoms, according to the nitrogen rule. This rule states that compounds with an odd number of nitrogen atoms will have an odd nominal mass, while those with an even number (including zero) will have an even nominal mass.

A Molecular Ion Has a M/z Ratio of 143