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PLEASE ANSWERRRR

Materials that are good conductors are so because

A. They are positive and always attract electrons
B. The protons are relatively mobile.
C. Some of their electrons are free to roam through the atomic structure
D. All of their electrons can be completely removed from the nucleus.

User Sirelon
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2 Answers

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Conductors conduct electrical current very easily because of their free electrons.
Insulators oppose electrical current and make poor conductors.
Some common conductors are copper, aluminum, gold, and silver.
Some common insulators are glass, air, plastic, rubber, and wood.
User Sven Kannenberg
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Answer:

Option C. Some of their electrons are free to roam through the atomic structure

Step-by-step explanation:

Materials which conduct electricity have free mobile electrons.