Que elemento es n=2, I=o, m=o, S=-1/2

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.

The think of process to make something successful

Asolution is a mixture of 2 or more substances which are called a solute and a solvent

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