An Electron Absorbs a Photon of Light Energy and Becomes

question 38

Multiple Choice

An electron absorbs a photon of light energy and becomes energized; the electron shifts from a ____ atomic orbital to a __________ atomic orbital.

• A) fluorescing; ground state
• B) ground state; lower energy
• C) lower energy; higher energy
• D) higher energy; lower energy
• E) ground state; different ground state

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Definitions:

Hierarchical

Describing a system or organization in which people or groups are ranked one above the other according to status or authority.

Domain

(1) A structural and functional region of a protein. (2) The broadest taxonomic category; each domain includes one or more kingdoms.

Paraphyletic Group

A group of organisms that includes an ancestral species and some, but not all, of its descendants.

Common Ancestor

The most recent shared ancestor among different species or individuals from which they have descended.