Physical and Chemical Change Flashcards
Change where molecules remain the same but gain/lose energy
Physical Change
Changes of state (liquid to gas)
Physical Change
Change where it doesn’t alter the substance chemical identity
Physical Change
It easy to reverse since molecules weren’t rearranged
Physical Change
Examples: Melting, Evaporation, Sublimation, Reverse Sublimation
Physical Change
Change where atoms of 1 or more molecules are rearranged
Chemical Change
Substance is changed into one or more new substances
Chemical Change
It is not easy to reverse
Chemical Change
Examples: Burning, Electrolysis, Cooking, Photosynthesis
Chemical Change
It show the relationship between the atoms after a chemical reaction
Chemical Equation