Heat passes through liquids by the process of
a. convection.
b. absorption.
c. radiation.
d. conduction

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

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.

In 2002, the rare earth elements mine in mountain pass, california was closed because