What statement best describes a mole?
A. the amount of molecules or atoms in 1 gram of something
B. a little furry mammal that lives in the ground
C. a very small number chemists use to count atoms or molecules
D. It is a very large number chemists use to count atoms or molecules.
E. none of the above
Answer: D
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The state
A) is a set of institutions. B) controls territory. C) is active, not static. D) is a set of institutions that controls territory and is active, not static.
Once salt is dissolved in water, the
A) negatively charged sodium cation is surrounded by the negative side of encircling water molecules. B) positively charged sodium cation is surrounded by the negative side of encircling water molecules. C) positively charged sodium cation is surrounded by the positive side of encircling water molecules. D) positively charged chlorine cation is surrounded by the positive side of encircling water molecules.
Increasing temperatures leading to increasing water vapor amounts leading to increasing absorption of longwave radiation is an example of a
A) negative feedback B) positive feedback C) neutral feedback D) adiabatic feedback
Which country is very flat, only slightly above sea level, and one of the world's poorest?
A. Tibet B. Pakistan C. Argentina D. Japan E. Bangladesh