When Atoms Join to Form a Molecule

question 49

Multiple Choice

When atoms join to form a molecule,

• A) energy is absorbed.
• B) energy is given off.
• C) energy is neither absorbed nor given off.
• D) Any of these choices, depending on the circumstances.

---

Definitions:

Sample Variances

Sample variances measure the dispersion or spread of data points in a sample around their sample mean, indicating the degree of variation within the sample.

Expected Value

The long-run average value of repetitions of the experiment it represents, known in statistics as the mean of the probability distribution.

Sample Means

Sample Means are the averages calculated from a sample, used as estimates of the population mean.

Normally Distributed

A statistical distribution where data is symmetrically distributed around the mean, forming a bell-shaped curve.