Which answer best describes nonmetals?

A. They can be found mostly in Groups 1 to 13 and are often malleable.
B. They are always a gas at room temperature.
C. They can be found mostly in Groups 14 to 18 and are often brittle.
D. They can conduct electricity better than metalloids.



Answer :

Final answer:

Nonmetals are elements that differ from metals and include poor conductors of heat and electricity in various states at room temperature.


Explanation:

Nonmetals are elements located in the upper right portion of the periodic table, exhibiting properties different from metals. They are generally poor conductors of heat and electricity, not lustrous, and can exist as gases, liquids, or solids at room temperature.


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