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What is the oxidation number of the copper in [Cu(NH3) 3Cl]NO3?
March 1933
A significant month during the Great Depression in the United States, marked by President Roosevelt's Bank Holiday and the beginning of New Deal policies.
Banks
Financial institutions that accept deposits from the public, lend money, and offer various other financial services.
National Railroad Network
A comprehensive system of railway lines and routes covering a national territory, facilitating passenger and freight transport.
Civil War
An internal conflict between factions or regions within the same country, where the factions fight for political control, ethnic or religious reasons, or territorial independence.
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