Chromosomes are found in theof the cell

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.