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April 23, 2014

Homework Help: science

Posted by kimberly on Wednesday, November 28, 2012 at 6:16pm.

can you please tell me which catergory these belong in chemical or physical property?

1. arrangement of particles have changed
2. absorb or release. energy(endothermic/exothermic reactions)
3. change in appearance only.
4. cant be undone.
5. size and shape may change

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