11. A 30-kg box is 0.2 m long and 0.15 m wide. What pressure does it exert on the floor?

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.

What will most likely happen when two bromine atoms bond together?

The excretory system,need answers for all: )