Can someone help me out with this? This is about the trends of elements on the periodic table. I'm not requesting all the answers just one expaination so I can do the rest myself.
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Ответ:
In a nutshell, a chemical change produces a new substance, while a physical change does not. A material may change shapes or forms while undergoing a physical change, but no chemical reactions occur and no new compounds are produced.
Explanation:
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