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SCIENNNNNCCCCEEE
grrr i hate tests! Mixture compounds and elements.
| Question | Answer |
|---|---|
| suspension ex. | carbon dioxide, water, ammonia |
| colloid ex. | milk jello pudding |
| do the elements in a compound keep their properties? | NO |
| ratio | a # that is like a fraction tht shows how the amount of 1 thing compares to the amount of something is used. |
| how do compound combine? | in set ratios |
| How do i know if it is a comound? | the items in the substance are chemically combined |
| reaction | when 2 or more substances chemically combine some ex. of reaction explosion light heat |
| mixture def | when 2 or more substances are mixed together but are not chemically combined. |
| mixture ex | pizza kool aid jello milk italian dressing muddy water |
| do mixture have ratios? | NO |
| Distallation | a process tht seperates based on boiling points |
| magnet | a tool used to seperate mixtures that have iron or magnet metals in them |
| do substances in a mixture keep their properties? | yes you can taste both salt and water in a mixture of salt water |
| centrifuge | a tool that spins test tybes really fast |
| periodic table | the list of every known element |
| compound def. | a pure substance made of 2 or more elements chemically combined |
| what are examples of metalloids? | silicon boron antimony |
| is a metalloid a mixture? | no it is an element |
| matalloids def/properties | elements that can be shiny and conduct when mixed with other things. |
| what sre some examples of nonmetals? | oxygen and carbon |
| nonmetal def/properties | an element that is dull brittle and a bad conductor |
| solution ex. | a heterogeneous mixture that has big pieces the pieces either can settle out or can be filtered |
| element def. | a pure substance that cannot be seperated |
| pure substance def. | a substance with only one type of particle |
| pure substance examples | elements and compounds |
| can a pure substance be broken down into simpler substances? | yes compounds it can with only chemical changes though |
| most elements belong to what category? | metals |
| metal def./properties | an element that is shiny malleable and a good conductor of electricity. |
| what are the 3 categories of an element? | metal nonmetal and metalloid |
| characteristic properties ex. | boiling point melting point density |
| characteristic properties def. | properties that do not depend on the amount of material |
Created by:
bigmac23
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