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Praxis II Middle School Content Knowledge Test Prep

Category - Praxis Middle School Content Knowledge Practice Test

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Which of the following elements displays bonding characterized by a delocalized “sea of electrons?”

Fluorine
Nitrogen
Copper
Sulfur
Argon

Explanation

Answer: Copper

The delocalized “sea of electrons” model describes bonding in metals. Therefore, the only metal, copper, must display this type of bonding.

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