I HAVE A QUESTION?!?! Does any one have the answers to there slinky lab. I really need it. Especially the part where it ask to label the wave. It looks like a part, A, is pointing at the crest and the wavelength. I don't know which one it is tho! HELP!

Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.

The semi-conductors on the periodic table are classified as