Indicate the FULL NAME and TOTAL NUMBER of each element in the chemical formula provided. *
4pb(NO3)2

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.

Ibelieve the answer is d. titaniumhope my answer has you : )