An Element Is Selective in the Frequency of Light It

question 45

Multiple Choice

An element is selective in the frequency of light it will absorb. This selectivity is due to its:

• A)Number of neutrons.
• B)Proton cloud.
• C)Atomic mass.
• D)Electron energy levels.

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Definitions:

Squares

Geometrical shapes with four equal sides and four right angles, or multiplications of a number by itself.

Mean Squared Error

A measure of the average squared differences between estimated and actual values, used to evaluate the accuracy of statistical models.

Exponential Smoothing

A time series forecasting method for univariate data that applies weighing factors which decrease exponentially over time.

Mean Absolute Deviation

A measure of variability that indicates the average distance between each data point and the mean of the data set.