Which of the Following Molecular Changes Is Necessary for Mass

question 62

Multiple Choice

Which of the following molecular changes is necessary for mass spectrometry to occur?

• A)excitation of an electron from the ground state to higher energy state
• B)change of alignment of an electron in a magnetic field
• C)change of alignment of a proton in a magnetic field
• D)loss of an electron
• E)molecular vibration

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Definitions:

Estimated Form

A representation of a model or function based on estimated parameters or coefficients.

Independent Variables

Variables in an experiment that are manipulated or controlled by the researcher to investigate their effects on dependent variables.

Numerator

The top number in a fraction that represents the part of the whole that is being considered.

Denominator

The bottom number in a fraction that shows how many equal parts the item or group is divided into.