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As an analog of graphite, a material composed of boron and nitrogen (B-N) has been prepared. Why do these elements make a good substitute for the element in graphite?
I.They are all elements with electrons in the 2p subshell.
II.The sum of the valence electrons of one boron atom and one nitrogen atom is the same as the number of valence electrons on two carbon atoms.
III.Boron and nitrogen have suitable 2p orbital overlap.
Western Atlantic Trade
A historical trading network across the Atlantic Ocean, primarily involving European countries and their American and African colonies, facilitating the exchange of goods, slaves, and resources from the 16th to the 19th centuries.
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Explorers and soldiers from Spain who, during the 16th century, conquered large portions of the Americas, including the Aztec and Inca empires.
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Efforts by Native American peoples to resist European colonization, the encroachment on their lands, and the loss of their cultures, particularly from the 16th to the 19th centuries.
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