A Sulfur Atom Has a Larger Atomic Radius Than an Oxygen

question 70

Multiple Choice

A sulfur atom has a larger atomic radius than an oxygen atom. Which statement best explains why?

• A)Sulfur contains more electrons than oxygen does.
• B)Sulfur contains more protons than oxygen does.
• C)The valence shell of sulfur is farther away from the nucleus than the valence shell of oxygen is.
• D)The larger number of protons in an oxygen atom pulls its electrons closer to the nucleus than a sulfur atom.

---

Definitions:

Pearson Correlation

A statistical measure that calculates the strength and direction of a linear relationship between two quantitative variables.

Covariance

A measure that indicates the extent to which two variables change together; if the greater values of one variable mainly correspond with the greater values of the other variable, and the same holds for the lesser values.

Reject Null Hypothesis

To conclude, based on statistical analysis, that there is enough evidence to support the alternative hypothesis over the null hypothesis in a study.

Covariance

A measure indicating the extent to which two variables change in tandem. It shows whether increases in one variable correspond with increases (positive covariance) or decreases (negative covariance) in the other one.