Fossils of the reptile Mesosaurus were found in western Africa and eastern South America. Which statement might such findings su
pport? A. The two continents were once farther apart. B. Volcanic activity pushed the continents apart. C. The two continents were once closer together. D. Earthquake activity pulled the continents closer.
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There is a rule in naming polyatomic anions containing oxygen.
Those names ending in <em>–ate</em> are given to the most common oxyanion of an element.
While those names ending in <em>–ite</em> are for those that contains fewer O atom for
the same charge. Since P has fewer O atoms, its name ends in <em>–ite</em>.
Thus, P
is phosphite while P
is phosphate.