A Key Concept Is

question 41

Multiple Choice

A key concept is:

• A)a means of commencing the research process.
• B)an idea the researcher has for the research process.
• C)a way of completing the research.
• D)a key idea, a key word, or a key phrase in the research.

---

Definitions:

IR Absorption

A phenomenon where molecules absorb infrared radiation at specific wavelengths, corresponding to vibrations of their chemical bonds; used in spectroscopy for molecule identification.

Characteristic Stretch

The specific frequency at which molecular bonds stretch during IR absorption, indicative of certain functional groups.

Characteristic Stretch

Specific vibrations in molecules, observed in infrared spectroscopy, that are associated with particular functional groups and bonds within the molecule.

Mass/Charge

The ratio of an ion's mass to its charge, often used in mass spectrometry for ion identification.