The Element X Has Three Naturally Occurring Isotopes

question 62

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

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Definitions:

Fahrenheit Scale

A temperature scale where the freezing and boiling points of water are 32 degrees and 212 degrees, respectively.

Temperature

The measure of the hotness or coldness of a body or environment, indicating the degree of heat energy present.

Ordinal Data

A type of categorical data with a clear ordering or ranking among the categories, but without a precise mathematical difference between those rankings.

Fixed Units of Measurement

This refers to using consistent and unchanging units when measuring variables or quantities in research, experiments, or any form of data collection.