Which of the following is true of ionization energies as one moves left to right across a period of the periodic table?
A) They consistently decrease.
B) They consistently increase.
C) They generally decrease, but there are some exceptions.
D) They generally increase, but there are some exceptions.
D
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Volcanoes are triggered by
A) changes in solar radiation. B) movement of tectonic plates. C) human mining activities. D) major changes in climate.
More than 70% of U.S. exports are ________ items
Fill in the blank(s) with correct word
A position that forests should be managed for the lumber that can be obtained from them is an example of
A. ecocentrism. B. anthropocentrism. C. biocentrism. D. None of the statements is correct.
What happens to air as it rises?
A. Temperature and pressure decrease B. Temperature and pressure increase C. Temperature decreases, pressure increases D. Temperature increases, pressure decreases