Which of the following are good conductors under normal conditions? Check all that apply.

A. air
B. a penny
C. plastic
D. ceramic
E. gold
F. water



Answer :

Final answer:

Gold, silver, and copper are good conductors of electricity under normal conditions.


Explanation:

Gold, silver, and copper are good conductors of electricity under normal conditions. They have high conductivity due to the density of free electrons in them, allowing for the easy flow of electric current. On the other hand, materials like air, plastic, and ceramic are poor conductors of electricity.


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