Which conclusion was drawn from the results of
the gold foil experiment?
(1) an atom is electrically neutral.
(2) an atom is mostly empty space.
(3) the nucleus of an atom is negatively
charged.
(4) the electrons in an atom are located in
specific shells.

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.

The correct answer is:   bri hope this answer was ! : )