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a pure substance compsed of two or more elements that are chemically combined |
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a combination of tow or more substances that rent chemically combined |
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the amount of matter that something is made of |
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The amount of space that something occupies the amount of space that soemthing contains |
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the amount of matter in a given space; mass per unit volume |
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the smaller practice into which an element can be divided and still be the same substance |
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a neutral group of atoms held together by covalent bonds |
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anything that has a volume and mass |
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pure substance that canno be separated or broken down into simpliar substances by physical or chemical means |
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-A capital letter -Capital letter and small letter -Stands for the element |
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In a cell a mixture of chemicals that carries an electric current |
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a change that occurs when one or more entirlet new substance with different properties |
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a change that affects one or more physical properties changes are easy to undo |
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In every chemical reaction the ratio will always be the same |
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Name 8 physical properties |
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-Odor -Color -Thermal Conductivity -State -Mallability -Ductility -Solubility -Density |
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What matter is chemically combined? |
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What are the measurments for mass, volume, and density |
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Mass- Grams Volume- Cubic ... Density- Grams per milimeter |
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What are the formulas for volume and density |
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Know how the 6 atomic laws are used |
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1.Atoms cant be broken 2.All atoms in an element are exactley the same 3.Atoms of diff. elements are diff. 4.Atoms of two or more elemnets can combine to form compound 5.Atoms are unique 6. Compound are always going to be constant ratio |
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What was Dalton known for? |
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