When an Electron in a Pigment Molecule Is Absorbed by a Photon,it

question 59

Multiple Choice

When an electron in a pigment molecule is absorbed by a photon,it ____.  

• A) is always shared with another atom via a double bond
• B) is always shared with another atom via a single bond
• C) emits its extra energy and returns to its original energy level
• D) moves to a higher energy level and remains there
• E) moves to a lower energy level and remains there

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Definitions:

Oxidation

A chemical reaction involving the loss of electrons by a molecule, atom, or ion, often associated with gaining oxygen or losing hydrogen.

Reduction

A chemical reaction involving the gain of electrons or the decrease in oxidation state by a molecule, atom, or ion.

Oxidizing Agent

A substance that has the ability to oxidize other substances, meaning it gains electrons in the process.

Reagents

Substances or compounds that are added to a system in order to bring about a chemical reaction or to see if a reaction occurs.