What Is the Principle That Allows Us to Use Mass

question 45

Multiple Choice

What is the principle that allows us to use mass spectrometry to determine the molecular weight of a compound?

• A) higher molecular weight compounds are less volatile
• B) higher molecular weight compounds are more dense
• C) a beam of higher molecular weight cations is deflected less by a magnetic field
• D) ions with higher molecular weight absorb higher frequencies of light

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Definitions:

Vehicle Brake System

A mechanism in a vehicle that enables it to slow down or come to a complete stop.

Variance

A statistical measurement of the dispersion between numbers in a data set, indicating how much the numbers differ from each other and from the mean.

Squared Deviation

The squared difference between each data point and the mean, used in statistical analysis to measure variance.

Arithmetic Average Return

The sum of returns in each period divided by the number of periods, often used to calculate the average return of an investment.