Which of the following would be a negative ion with a single charge?
A) an atom with 11 protons and 12 electrons
B) an atom with 11 protons and 11 electrons
C) an atom with 12 protons and 11 electrons
D) an atom with 10 protons and 12 electrons
E) none of the above
A
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Any cud-chewing placental mammal with a complex three- or four-chambered stomach, such as deer, cattle, antelope,
or camels is a(n) ____.
a. marsupial b. ammonoid c. ruminant d. reptile e. hominid
Two billion people live in a country where English is an official language. In the United States, diffusion of English into another language is most prevalent
A) in large cities. B) in states that border Mexico. C) near major airports. D) in agricultural areas. E) in states that do not have English as an official language.
During which of the following stages is an ordinary thunderstorm most intense?
A. dissipating stage B. multicell stage C. mature stage D. cumulus stage
Which one of the following scenarios is most likely to result in a body of water becoming hypoxic?
A) The overharvesting of oysters that would have filtered nutrients from ocean water B) The overfishing of sharks C) The extraction of phytoplankton from the ocean to use as an ingredient in smoothies and health food drinks D) An oil tanker running aground and seeping thousands of gallons of oil into the ocean