Potassium Forms an Oxide Containing 1 Oxygen Atom for Every

question 43

Multiple Choice

Potassium forms an oxide containing 1 oxygen atom for every 2 atoms of potassium.What is the coefficient of oxygen in the balanced equation for the reaction of potassium with oxygen to form this oxide?

• A)0
• B)1
• C)2
• D)3
• E)4

---

Definitions:

Z Score

A raw score that is adjusted for the mean and standard deviation of the distribution from which the raw score comes.

Population Average

The sum of all values in a population divided by the number of values in that population, also known as the mean.

Standard Error

The standard deviation of the sampling distribution of a statistic, often used to estimate the accuracy of a sample mean.

Population Standard Deviation

A measure of the dispersion or variability within a full population, indicating how much individual points differ from the population mean.