Why are changes of state considered to be physical?

1 Answer
Jul 31, 2018

Well, all of them...

Explanation:

"...fusion, melting, vaporization, sublimation..."...fusion, melting, vaporization, sublimation...

"...deposition, condensation...."...deposition, condensation....

Physical changes do not involve the formation of new substances…and STRONG chemical bonds between atoms and within molecules are RETAINED....