Changes & Properties of Matter Flashcards
Physical Property
a characterisitc of a pure substance that can be observed without changing it into another substance
Examples of Physical Properties
Density, Hardness, Texture, and Color
Chemical Property
A characteristic of a pure susbtacne that describes its ability to change into different susbtances
Example of Chemical Property
Flammmability, rust
Physical change
any change that alters the appearnace of a matter but does not make any substance into a different substance
Example of Physical change
Bendig, crushing, breaking, chopping, change in state
Chemical Change
A change in matter that produces one or more new substances
example of chemical change
Electorlysis, oxidation, tarnishing
In chemical changes either..
A single substance chagnes to one or more other substances or two or more susbtances combine to form different substances
Law of conservation of Matter
Matter is not crated or destoryed in any chemical or physical change
endothermic
Change in which energy/heat is take in
Exothermic
Change in which energy/heat is given out
Chemical Bonds
force of attraction between two atoms
