The Most Common Isotope of Oxygen Has 8 Protons and an Atomic

question 88

Multiple Choice

The most common isotope of oxygen has 8 protons and an atomic mass of 16. How many electrons are present in the orbitals around an atom of oxygen?

• A)2
• B)4
• C)6
• D)8
• E)10

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Definitions:

Sample Standard Deviation

A measure of the dispersion or variability of a set of sample data points around its mean.

Empirical Rule

The Empirical Rule, also known as the 68-95-99.7 rule, states that for a normal distribution, roughly 68% of data falls within one standard deviation of the mean, 95% within two standard deviations, and 99.7% within three standard deviations.

Coefficient of Variation

A statistical measure that shows the dispersion of data points or distribution relative to the mean, usually expressed as a percentage.

Standard Deviation

It quantifies the dispersion of a dataset relative to its mean, indicating how spread out the data points are.