How many oxygen atoms are there in 0.5 mol of CO2? (Show Work) F 6.02 x 10^23
G 3.01 x 10^23
H 15.9994
J 11

Ithink 2 is the correct

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.