Which of the following molecules would contain a dipole?
A. Cl-Cl
B. H-F
C. H-H
D. F-F
E. all of the above
Answer: B
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How do hominins and hominoids differ?
a. Hominoids have larger brains. b. Hominoids have smaller canine teeth. c. Hominins have larger brains. d. Hominoids are exclusively bipedal. e. Hominins are bipedal and quadrupedal
An uncompromising allegiance to a particular ethnic or religious group is:
A) caste-ism B) mercantilism C) communalism D) Jammu-ism
Eruptions of shield volcanoes fed by mafic magma tend ________.
A. not to be explosive or particularly dangerous B. to cover the surrounding landscape in ash C. to be violent and potentially dangerous events D. to be explosive but short-lived E. to result in the expulsion of vast amounts of tephra
A chemist has two pure samples of an organic compound, one of which she obtained from a natural source, and one of which she synthesized in the lab. Which of the following properties can she use to determine which is the synthetic sample?
A) boiling point B) formula weight C) solubility D) none of these