Elements, Compounds, Mixtures
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Created by:
msmilleson32 on January 7, 2012
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24 terms
Terms | Definitions |
|---|---|
 atom | smallest unit of an element that maintains the properties of that element |
| element | simplest form of a pure substance and cannot be separated or broken down into anything else by physical or chemical means |
| mixture | two or more substances that are not chemically joined together |
| compound | two or more elements that are chemically joined together (ex: H2O) |
| molecule | a combination of 2 or more atoms of the same element (ex: H2) |
| O | the element oxygen |
| C | the element carbon |
| N | the element nitrogen |
| air | mixture of oxygen, nitrogen, CO2 and other substances |
| mud | mixture of dirt and water |
| kool-aide | mixture of sugar and powder, for drinking |
| H2O | compound that makes up water |
| NaCl | compound that makes up salt |
| H2 | molecule (two hydrogen atoms) |
| O2 | molecule (two oxygen atoms) |
| CO2 | compound that makes up carbon dioxide |
| CO | compound that makes up carbon monoxide |
| matter | anything that has mass and takes up space |
| salt water | mixture of NaCl and H2O |
| Fe | the element iron |
| molecule | two hydrogen atoms join together form a ______. |
| molecule | two oxygen atoms join together to form a ________. |
| solute | the thing that is dissolved (salt) |
| solvent | the thing that dissolved the solute, such as water |
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