From the Following List of Observations, Choose the One That

question 65

Multiple Choice

From the following list of observations, choose the one that most clearly supports the conclusion that the mass of the atom is located mainly in the nucleus.

• A) the emission spectrum of hydrogen
• B) the photoelectric effect
• C) diffraction
• D) the scattering of alpha particles by metal foil
• E) cathode "rays"

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Definitions:

Antebellum Period

The time frame in United States history leading up to the Civil War, characterized by rising tensions over issues like slavery and the rights of states versus the federal government.

Industrialization

The process of transforming economies from primarily agrarian to one based on the manufacturing of goods, seen especially during the 19th and 20th centuries.

African-American

A term referring to Americans with ancestral origins in Africa, often pertaining to those whose ancestors were forcibly brought to America through the transatlantic slave trade.

Julien Hudson

A free African American painter who lived in the early 19th century, known for his portraits and miniatures in New Orleans.