Which Substance Has the Highest Melting Point

question 19

Multiple Choice

Which substance has the highest melting point?

• A)Mg
• B)C₅H₁₂
• C)Kr
• D)SiO₂ (silica)
• E)Cl₂

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Definitions:

Benzodiazepine

A class of drugs primarily used for treating anxiety, insomnia, and certain seizure disorders, known for their sedative effects.

Antihistamine

A type of medication used to alleviate symptoms of allergies by blocking the action of histamine, a substance in the body that causes allergic reactions.

Sleepwalking

A sleep disorder involving walking or performing other complex behaviors while in a state of partial arousal from deep sleep.

Benzodiazepine-Like Drugs

Substances that act on the neurotransmitter GABA receptors in the brain similar to benzodiazepines but are structurally different.