Atomic Radius Generally Decreases as We Move ________

question 169

Multiple Choice

Atomic radius generally decreases as we move ________.

• A)down a group and from right to left across a period
• B)up a group and from left to right across a period
• C)down a group and from left to right across a period
• D)up a group and from right to left across a period
• E)down a group; the period position has no effect

---

Definitions:

MSE

Mean Squared Error, a measure of the average of the squares of the errors or deviations, indicating the difference between the estimator and what is estimated.

SSR

Sum of Squares due to Regression, measuring the variation explained by the regression model in statistics.

SST

The total sum of squares in a dataset, representing the overall variation from the mean, and used in various statistical analyses to compute variance.

Multiple Regression

A statistical procedure that utilizes a variety of explanatory variables to predict the behavior of a dependent variable.