After a substance acting as a strong base reacts, what remains of the base?

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.

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.

Find the number of moles of argon in 364g of argon.