If Flossing Is Done Once a Day, the Best Time

question 23

Multiple Choice

If flossing is done once a day, the best time to floss is

• A) Before breakfast
• B) After breakfast
• C) At bedtime
• D) Before bathing

---

Definitions:

Quartet

In NMR spectroscopy, a signal split into four peaks of specific pattern and intensity ratio, typically arising from a proton coupled to three equivalent protons.

Triplet

A term relating to a quantum state where an atom or molecule has two unpaired electrons that have parallel spins, significant in spectroscopy and quantum mechanics.

NMR

Nuclear Magnetic Resonance, a spectroscopic technique used to observe local magnetic fields around atomic nuclei, providing detailed information about the structure, dynamics, and chemical environment of molecules.

Singlet

A term used in quantum mechanics and spectroscopy to describe a state in which all electrons in an atom or molecule are spin-paired, showing no magnetic field external to the system.