| Question |
 |
|
| Answer |
|
|
| compound |
substance made of two or more elements chemically combined in a specific ration or proportion |
| mixture |
when two or more pure substances are in the same place but are not chemically combined |
| element |
a substance that cannot be broken down into any other substances by chemical or physical means |
| molecule |
a particle made up of two or more atoms bonded together |
| chemical change |
a change in matter that forms one or more new substances |
| physical chagne |
a change that alters the form or appearnce of a material but doesn't convert the material into new substances |
| atom |
the smallest particle of an element |
| chemical bond |
the force that holds atoms together |
| solution |
a well-mixed mixtrue in which on substance is dissolved in another |
| chemistry |
the study of the properties of matter and how matter changes |
| precipitate |
a solid that forms from solution during a chemical reaction |
| chemical equation |
written with symbols instead of words |
| symbol |
one or two letters used to represent most elements |
| chemical formula |
a combination of symbols that represent the elements in a compound |
Buen Viaje lv.2 ch 8
