An element has two different isotopes: one that weighs 65 amu and another that weighs 67 amu. If the average atomic mass of all the isotopes is 66.5 amu, what can be said about the relative abundance of the isotopes?
A. All the isotopes have the same relative abundance.
B. The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 67.
C. The isotope with the mass of 66.5 is more abundant than the isotope with the mass of 65.
D. The isotope with the mass of 67 is more abundant than the isotope with the mass of 65.
E. The isotope with the mass of 65 is more abundant than the isotope with the mass of 67.
Answer: D
You might also like to view...
What will be the role of government in affecting the transition from nonrenewable, polluting energy sources to renewable, environmentally-friendly energy sources?
What will be an ideal response?
What is not an example of a push factor as it relates to migration?
A) low wages B) poverty C) "bright lights" of a big city D) war E) famine
The Montreal Protocol:
A) is generally considered a diplomatic disaster by most environmentalists. B) was only signed by 24 countries. C) was not adhered to by the United States. D) will not create immediate, rapid drops in atmospheric CFC levels. E) was designed primarily to address the problem of global warming.
High altitude wispy clouds made of ice crystals are classed as
A) cumumliform. B) cirroform. C) stratiform.