In a Typical Mass Spectrum,a Smaller Signal Is Observed at a Mass

question 7

Multiple Choice

In a typical mass spectrum,a smaller signal is observed at a mass 1 amu higher than the molecular ion peak.Why?

• A)Due to small impurities in the sample
• B)Machine error
• C)Because a small percentage of the compound will have a carbon that is the isotope ¹³C instead of ¹²C
• D)Because of fragmentation

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Definitions:

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood, controlling the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).

Amygdala

A section of the brain involved in experiencing emotions, such as fear and pleasure.

Hippocampus

A part of the brain associated with memory formation, organization, and storage.

Basal Ganglia

A group of structures in the brain that help control movement, coordination, and learning.