Mercury Is the Only Metal Which Is a Liquid at Room

question 116

Multiple Choice

Mercury is the only metal which is a liquid at room temperature. The density of mercury is 13.6 g/cm³. What is the mass, in pounds, of 1.00 quart of mercury? [1 liter = 1.057 quart; 1 pound = 453.6 grams]

• A) 0.0284 lb
• B) 28.4 lb
• C) 31.7 lb
• D) 35.3 lb

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Definitions:

Embryonic Germ Layers

The three primary layers of cells (ectoderm, mesoderm, and endoderm) in the embryo from which all tissues and organs develop.

Acrosome

A vesicle at the tip of a sperm cell containing enzymes that help the sperm penetrate the egg.

Umbilical Cord

A flexible cordlike structure containing blood vessels and attaching a human or other mammalian fetus to the placenta during gestation.

DNA

Deoxyribonucleic acid, a self-replicating material which is present in nearly all living organisms as the carrier of genetic information.