What Was Discovered in Atomic Spectra by Physics Pioneers Balmer

question 22

Multiple Choice

What was discovered in atomic spectra by physics pioneers Balmer, Rydberg, and Ritz?

• A)unexplained randomness
• B)mathematical order
• C)all atoms are about the same size
• D)electrons occupy well-defined shells about the atomic nucleus
• E)electrons behave as standing waves

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Definitions:

Humerus

The long bone in the upper arm that runs from the shoulder to the elbow, aiding in arm movement.

Total Body Height

A measure of an individual's full stature from the bottom of the feet to the top of the head when standing upright.

Parietal Bones

Paired bones in the human skull forming the sides and roof of the cranium.

Endochondral Ossification

The process by which growing cartilage is systematically replaced by bone to form the growing skeleton, mostly in long bones.