| Question |
Answer |
| matter |
anything that has mass and takes up space |
| chemistry |
the studyof propertyties of matter and how matter changes |
| substance |
a single kind of matter that is pure |
| physical property |
a characteristic of pure substances that can be observed without changing it into another substances |
| chemical property |
chararcteristic of pure substances that decribes its abbelty to change into different substances |
| element |
are the simplest sustanes |
| atom |
a basick partical from which all elements are made |
| chemical bond |
when atoms combined |
| molecules |
atoms combined to form larger particles |
| compound |
a pure substances made of two or more elements chemiclly combined in a set of ratio |
| chemical formula |
it shows the elements in the compound and the ratio of atoms |
| mixture |
two ore substances elements, compounds or both that are togher but not chemicly combined |
| heterogeneous mixture |
a mexture in which in pure substances are unevenly disturbed throughout the mixture |
| homogeneous mixture |
a mixture in which substances are evenly disturbed throughout the mixturre |
| soultion |
an example of homogenous mixture;forms when substances disolve |
Ch.18 LTI-MA 509
