Flashcards: Friday Quiz!!
About these flashcards
Created by:
Mr_Merkert 
on March 23, 2010
Subjects:
Log in to favorite or report as inappropriate.All 27 terms
Terms | Definitions |
|---|---|
 atom | smallest part of an element that can be identified as that element |
| electron | negatively charged particle |
| neutron | neutral particle |
| nucleus | center, or core, of an atom |
| proton | positively charged particle |
| atomic number | number of protons in the nucleus of an atom |
| atomic mass | total mass of the protons and neutrons in an atom, measured in atomic mass units |
| mass number | number of protons and neutrons in the nucleus of an atom |
| energy level | place in an atom where an electron is most likely to be found |
| compound | substance made up of two or more elements chemically combined |
| molecule | smallest part of a substance that has all the properties of the substance |
| substance | any element or compound |
| mixture | two or more substances that have been mixed together but not chemically combined |
| chemical formula | way of writing the name of a compound using chemical symbols |
| subscript | number written to the lower right of a chemical symbol |
| K shell | can hold up to 2 electrons |
| L shell | can hold up to 8 electrons |
| M shell | can hold up to 18 electrons |
| displacement | amount of water an object replaces |
| suspension | cloudy mixture of two or more substances that settle on standings |
| insoluble | not able to dissolve |
| soluble | able to dissolve |
| solute | substance that is dissolved in a solvent |
| solvent | substance in which a solute dissolves |
| dissolve | go into solution |
| solution | mixture in which one substance is evenly mixed with another substance |
| surface tension | like an elastic net around the water that holds the molecules together |
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