Analysis of an Unknown Substance Showed That It Has a High

question 59

Multiple Choice

Analysis of an unknown substance showed that it has a high boiling point and is brittle. It is an insulator as a solid but conducts electricity when melted. Which of the following substances would have those characteristics?

• A)HCl
• B)Al
• C)KBr
• D)SiF ₄
• E)I ₂

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Definitions:

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U.S. President

The head of state and government of the United States of America, serving as the executive leader and commander-in-chief under the U.S. Constitution.

Labor Dispute

A disagreement between workers and employers related to employment conditions, including wages, hours, and workplace policies.