Oxygen-17 has an atomic number of 8.  How many neutrons does this type of oxygen have?

An atom with an unfilled outer shell is:

When water freezes to form ice, the ________ connect the water molecules:

The pH of black coffee is about 5.  The hydrogen ion concentration of beer is about 100 times greater than coffee.  What is the pH of beer?

When oxygen and magnesium combine, what type of bond exists?

Water’s capacity to serve as a solvent is:

An individual water molecule shows:

Compare and contrast water cohesion and water adhesion.  Give an example of each.

Non-polar molecules tend to aggregate in water because they are forced to come into close proximity with each other due to:

With the term “trace” element, trace means: