There Are Two Stable Isotopes of Chlorine: Chlorine-35, with a Mass

question 117

Multiple Choice

There are two stable isotopes of chlorine: chlorine-35, with a mass of 34.968853 amu; and chlorine-37, with a mass of 36.965903. Given that the average atomic mass of a chlorine atom is 35.45 amu, which of the following statements is true?

• A)Chlorine contains almost exclusively of Cl, with very little Cl.
• B)Chlorine contains more Cl than Cl.
• C)Chlorine contains roughly equal amounts of Cl and Cl.
• D)Chlorine contains more Cl than Cl.
• E)Chlorine contains almost exclusively of Cl, with very little Cl.

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Definitions:

Bases

Substances that can accept protons (H+) and have a high pH; in solution, they can easily donate an electron pair.

Glucose

A simple sugar that is an important energy source in living organisms and is a component of many carbohydrates.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance composed of hydrogen and oxygen, essential for most forms of life on Earth.