Which of the following is true of the ionization energy of the elements?
A) Ionization energy generally decreases as we move left to right and decreases as we move top to bottom in the periodic table.
B) Ionization energy generally decreases as we move left to right and increases as we move top to bottom in the periodic table.
C) Ionization energy generally increases as we move left to right and decreases as we move top to bottom in the periodic table.
D) Ionization energy generally increases as we move left to right and increases as we move top to bottom in the periodic table.
C
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The two groups of ungulates, based on eating styles, are ____________________ and ____________________. Fill in the blank(s) with the appropriate word(s)
Glaciers were abundant during the Precambrian. Indicate whether the statement is true or false
Dialects developed within the United States primarily because of
A) diffusion going westward. B) differences in the dialects among the original settlers along the Atlantic Coast colonies. C) the Civil War. D) a lack of available transportation between the regions. E) differences in the climate between the regions.
At deep sea trenches, ____________________ is subducted back into the ____________________.
Fill in the blank(s) with the appropriate word(s).