If an ion has z=+1, what is the relationship between its m/z and its mass m?
QUESTION
What does the y-axis of a typical mass spectrum display?
QUESTION
What is the key difference between the molecular ion peak and a fragment peak?
Tap to flip before you grade
ANSWER
M+ is intact molecule; fragments are smaller ions from cleavage. Molecular ion corresponds to the whole molecule, while fragments result from bond breakage during ionization.