Which best explains why the meniscus of mercury in a glass tube is convex? A) The greaer glass an to itself. atic mcicury to the B) The lower attraction of mercury to the glass than to itself. C) The low surface tension of mercury. D) The high density of mercury compared to water. E) The repulsion between mercury and the glass.

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Q: Which has the greatest surface tension: bromoethane, chloroethane, ethane, or ethanol.?

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Crystal Structures

Solids are present all around us. They have different properties and applications. Diamond and graphite are two well-known solids. Diamond is the hardest material in the world and is used in making jewelry. Graphite on the other hand is soft. The lead of your pencil is graphite. Why are they so different in appearance and properties despite the fact they are chemically the same? Both are allotropes of carbon. The answer lies in the structure, the way constituent particles are arranged in the solids.