How many valence electrons do transition metals try to achieve to gain greater stability?
A) 2
B) 8
C) 18
D) 32
C
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In the U.S., solid wastes are stored in ________ landfills.
Fill in the blank(s) with the appropriate word(s).
In what part of Europe is Protestantism the dominant religion?
A) Ireland
B) France
C) Poland
D) northern Germany
E) the Balkan Peninsula (ex. Greece, Bulgaria, Serbia)
On humid days, the salt in saltshakers can become moist and no longer pour out easily. Which of the following terms describes the condition of the salt?
A. hygroscopic B. hydroponic C. hydrophobic D. hydrophilic
What property of an electron makes it possible to use electron microscopes?
A) They can be focused using smaller lenses. B) They have shorter wavelengths than visible light. C) They are electrically charged. D) They can be generated with electricity. E) none of the above