Recall: base peak - highest peak in the mass spec, with a relative intensity of 100; usually the most stable fragment
molecular ion peak - heaviest peak in the mass spec, with almost the same mass the original molecule
a) The ________ is assigned a relative intensity of 100.
a. base peak
b. molecular ion peak
Select the correct term(s) to complete each sentence.
a) The ________ is assigned a relative intensity of 100.
a. base peak
b. molecular ion peak
b) The ________ is the most intense peak in the mass spectrum.
a. molecular ion peak
b. base peak
c) The ________ represents the original molecule that has only lost an electron.
a. base peak
b. molecular ion peak
d) ________ could be/represent a smaller, charged fragment of the original molecule.
a. The molecular ion
b. The base peak
c. A radical cation
e) ________ is/represents a positively charged species.
a. The base peak
b. The parent ion
c. The molecular ion
d. A radical cation
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