4.methods scientists use to determine if a change was physical or chemical

I’m pretty sure it’s false i’m not sure

Answer:

5.6⋅10−^19  j

do you need the explaination?

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.