Chapter 1 Multiple Choice Questions

Introduction

Quiz Content

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. A mass spectrometer measures:

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. The unit of atomic and molecular mass is:

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. The mass of an ion or molecule calculated using isotope mass and rounded to the nearest integer value is known as:

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. The correct form of the Lorentz force law is:

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. The isotopic separation of a quadruply-charged ion ([M+4H]4+) on the m/z scale is:

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. Which part of a mass spectrometer separates ions according to their mass to charge ratio?

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. What is responsible for the difference in mass between a 32S atom and two 16O atoms?

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. What is usually represented by the vertical axis in a mass spectrum?

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. What does the base peak in a mass spectrum refer to?

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. In what year was the Nobel Prize for Chemistry awarded in recognition of the importance of ESI and MALDI ionization development?

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