The critical temperature of a substance is the

Place the following substances in order of decreasing vapor pressure at a given temperature. Largest vapor pressure on the left. 

The _________ is the smallest unit of organization that can perform all activities required for life.

True or False: A eukaryotic cell is enclosed by a plasma membrane while a prokaryotic cell is not.  Both eukaryotic and prokaryotic cells contain their genetic information in DNA.

True or False: A hypothesis is an explanation, based on observations and assumptions, that leads to a testable prediction.  A hypothesis on supernatural events can also be explained through experimental tests.

During complementary base pairing of two strands of DNA, thymine forms ___(1)___ hydrogen bonds with ___(2)___.

Which of the following is FALSE about the drug thalidomide?

Which of the following is an electronegative atom?

True or False: Electrons in a higher electron shell will have more energy than electrons in a lower electron shell.  Inert elements have a full valence shell.

What is the pH of a solution if the hydrogen ion concentration is 1×10-7?