How much heat, in calories, is given off when 1.25 grams of silver is cooled from 100.0°c to 80.0°c? (the specific heat of silver is 0.057 cal/g°c)

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

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.