567000 would be in grams, hope this helps :)
Answer:
Physical change
Explanation:
Brainliest would be appreciated
Answer=1
Potassium Sulfide= K2S (two metals, one non metal)
Sodium Oxide=Na2O (two metals. one nonmetal)
Sodium Chloride=NaCl (one metal, one nonmetal)
Magnesium Oxide=MgO (one metal, one nonmetal)
Magnesium Chloride=MgCl2 (one metal, two nonmetals)
72.71 . simple google search, you shouldnt waste points