The Line Spectra of Atoms Provides Experimental Evidence for

question 43

Multiple Choice

The line spectra of atoms provides experimental evidence for

• A)the organization of particles in the nucleus of atoms.
• B)the number of protons.
• C)the arrangement of electrons.
• D)all of the above

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Definitions:

Variable

A characteristic, number, or quantity that increases or decreases over time, or takes different values in different situations.

Behavior Pattern

Repeated, often unconscious ways of acting or responding that become characteristic of a person over time.

Independent Variable

In experimental settings, the variable that is manipulated or changed to observe its effect on the dependent variable.

Dependent Variable

In an experiment, it is the variable being tested and measured, which is expected to change as a result of manipulations to the independent variable.