Which of the Following Statements About the Absorption of Photons

question 36

Multiple Choice

Which of the following statements about the absorption of photons by pigment molecules is true?

• A)Photons raise electrons in pigments to the ground state.
• B)It takes several minutes for the pigment electrons to become excited.
• C)The release of energy by the excited electron can be as heat,light,or fluorescence.
• D)Excitation of the electrons is a very stable state.

---

Definitions:

Radical Polymerization

A process of forming polymers through the successive addition of free-radical building blocks.

Plexiglas

A transparent thermoplastic often used as a lightweight or shatter-resistant alternative to glass, known chemically as polymethyl methacrylate (PMMA).

Addition Polymer

A type of polymer formed by the successive addition of monomer molecules with double or triple bonds.

Condensation Polymer

A polymer formed by the reaction of monomer molecules, releasing small molecules such as water or methanol as by-products.