The Element X Has Three Naturally Occurring Isotopes

question 136

Multiple Choice

The element X has three naturally occurring isotopes. The isotopic masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is (Amu)

• A) 57.23
• B) 56.11
• C) 33.33
• D) 56.29
• E) 55.74

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Definitions:

Physically Attractive

Pertaining to characteristics of a person's appearance that are appealing or desirable to others.

Faces

The front part of a person's head, from the forehead to the chin, including the skin, muscles, and features such as the eyes, nose, and mouth.

Sexual Partners

Individuals with whom one engages in sexual activity, which may involve varying levels of commitment and emotional connection.

Cultures

The customs, arts, social institutions, and achievements of a particular nation, people, or other social group, shaping their way of life.