How many moles of sodium metal are
required, if 4.7 mol of NaCl are
produced?

Bose-einstein condensation occurs at what temperature?

What happens when light is scattered?

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.