likeyocutg likeyocutg

11-11-2020
Chemistry

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Compare physical change and chemical change in terms of the arrangement of the particles and the changes in number of atoms or types of atoms?

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girlboossy1 girlboossy1

11-11-2020

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Don not sure if you got my last email I sent you a text but different question

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noyerii noyerii

11-11-2020

During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.

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