Water is an amphoteric substance because it can receive and donate hydrogen ions. - True
- False

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.

Which compound contain an iron with a 3+ charge

Ab c or d ? i’m not sure what the answer is