Examlex
Naturally occurring lithium (Li) consists of only two isotopes, Li-6 (6.02 u) and Li-7 (7.02 u) , where the isotopic masses are given in parentheses. Use the periodic table and determine which isotope is present in the larger percentage in the natural element.
Virginia Plan
The Virginia Plan was a proposal by Virginia delegates for a bicameral legislative branch during the Constitutional Convention in 1787, emphasizing representation based on state population.
Shays' Rebellion
An armed uprising in 1786-1787 in Massachusetts by American farmers against state and local enforcement of tax collections and judgments for debt, highlighting the weaknesses of the Articles of Confederation.
Articles of Confederation
The first constitution of the 13 American states, adopted in 1781 and replaced in 1789 by the United States Constitution.
Articles of Confederation
The original constitution of the United States, ratified in 1781, which was replaced by the U.S. Constitution in 1789 due to its inability to provide a strong central government.
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