Of the options below, which is generally associated with the lowest boiling temperatures when it is the only type of bond present in a material? a. metallic b. covalent c. London dispersion forces d. ionic

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.