Which of the following is (are) characteristic of mass spectrometry?
I. Analyte molecules are converted to gaseous ions.
II. The ions are separated according to their mass-to-charge ratio.
III. In addition to compound identification, mass spectra can be utilized to determine precise isotopic masses and isotopic ratios.
(A)II only (B)I and II only (C)I and III only (D)I, II, and III
D