If the total number of electrons for a given atom is one more than the total number of protons, the atom will be ___

a) a positive isotope
b) a negative isotope
c) a positive ion
d) a negative ion
e) neutral


Answer: d) a negative ion

Environmental & Atmospheric Sciences

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What water policy, advocated by the World Bank and International Monetary Fund, has made it more difficult for some people to gain access to water?

A) privatization B) U.N Convention on the Law of the Sea C) government regulation D) the Kyoto Protocol E) irrigation

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What is it about classic centrifuge models that in some ways makes them unrealistic?

What will be an ideal response?

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In which mainland nation of Southeast Asia has coffee become a growing export commodity?

A) Vietnam B) Cambodia C) Burma D) Laos E) Thailand

Environmental & Atmospheric Sciences

How can you tell whether a sugar solution is saturated or not?

A. There will be a precipitate if the water is heated. B. As long as there are more water molecules than sugar molecules, there is a saturated solution. C. Add more sugar; if it dissolves, it is saturated. D. Cool the solution to see if there is a precipitate.

Environmental & Atmospheric Sciences