Pyrite is called "fool's gold" because it looks a lot like gold. Which properties can be used to tell gold and pyrite apart? A. Density
B. Hardness
C. Streak
D. All of the above

Do polar molecules have ionic bonds?

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.

He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.