The Element Chlorine Has Two Stable Isotopes,chlorine-35 with an Atomic

question 65

Multiple Choice

The element chlorine has two stable isotopes,chlorine-35 with an atomic mass of 34.97 u and chlorine-37 with an atomic mass of 36.97 u.From the atomic weight found on the periodic table,one can conclude that _____.

• A) both isotopes have the same percent natural abundance
• B) there is an isotope of nitrogen with an atomic mass of 35.45 u
• C) chlorine-35 has the highest percent natural abundance
• D) chlorine-37 has the highest percent natural abundance
• E) there is an isotope of nitrogen with an atomic mass of 37.95 u

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Definitions:

Statistically Significant

A determination that the results observed in data are unlikely to have occurred by chance alone, according to a predefined significance level.

Box-and-Whisker Plot

A type of chart that displays the distribution of data based on quartiles, highlighting the median, and extremes.

Whiskers

In a box plot, the lines that extend from the upper and lower quartiles to the maximum and minimum values, respectively, indicating variability outside the upper and lower quartiles.

Minimum

The smallest value in a given set of data, or the least point in a mathematical function.