Occurs when the product of the ion concentrations exceeds the ksp. precipitation gas production melting boiling

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by