Help please ASAP just with number 8

The first element on the periodic table of elements is carbon. a. true b. false

What is the polyatamic ion of borate

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.