When an Electron in an Atom Falls from a Higher

question 50

Multiple Choice

When an electron in an atom falls from a higher energy level to a lower one, a ______________ is ______________.

• A) proton; absorbed
• B) proton; emitted
• C) photon; absorbed
• D) photon; emitted

---

Definitions:

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Correlational Study

A research method that examines the relationship between two variables to determine if a statistical association exists, without establishing cause-and-effect.

Statistically Significant

A measure indicating that the likelihood of a particular result occurring by chance is low, and thus, the result can be considered to have genuine association.

Correlational Study

A research method that examines the relationship between variables, without implying a cause-and-effect relationship.