CDs and DVDs Are Durable Storage Media Because Their ____

question 29

Multiple Choice

CDs and DVDs are durable storage media because their ____ storage technology essentially etches data onto the disc surface.

• A)optical
• B)magnetic
• C)discrete
• D)static

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Definitions:

O,p-director

A term describing substituents on an aromatic ring that direct incoming substituents to the ortho and para positions in electrophilic aromatic substitution reactions.

Strongest Activating Group

A substituent that increases the reactivity of an aromatic ring toward electrophilic aromatic substitution reactions the most.

Electrophilic Aromatic Substitution

A reaction where an electrophile replaces a hydrogen atom in an aromatic ring, a common mechanism in aromatic chemistry.

Sigma Complex

An intermediate in certain chemical reactions characterized by a fully saturated carbon atom bonded to a metal center.