Examlex
Which of the following transitions (in a hydrogen atom) represent absorption of the smallest frequency photon?
Northwest Ordinance
A significant law passed by the United States Congress in 1787 that provided a method for admitting new states to the Union from the Northwest Territory.
Northwest Territory
A historical region encompassing the area near the Great Lakes and the upper Mississippi River that was organized under United States governance post the American Revolutionary War.
Fugitive Slave Act
Legislation passed by the United States Congress in 1850 that required the return of escaped slaves to their owners.
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