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| An atom that has lost or gained electrons and there has a charge |
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Definition
| Matter that has the same composition and properties throughout |
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| A substance produced when elements combine and whose properties are different from each of the elements in it. |
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| A combination of compounds and elements that has not formed a new substance and whose proportions can be changed without changing the mixture's identity. |
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| The formula tells you which elements make up a compound as well as how many atoms of each element are present |
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| """the same throughout."" You can't see the different parts in this type of mixture. Homogeneous mixtures can be solids, liquids, or gases. " |
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| has larger parts that are different from each other. You can see the different parts of a heterogeneous mixture. |
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| "Characteristic that can be observed, using the five senses, without changing or trying to change the composition of a substance.All matter can be described by physical properties that can be observed using the five senses. Properties of an element or compound that can be observed without a chemical reaction of the matter." |
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Definition
| Characteristic that cannot be observed without altering the sample. properties of an element or compound in chemical reactions. Chemical properties are determined by the reaction of a substance with other substances. |
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| Law of conservation of mass |
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Definition
| States that mass is neither created nor destroyed and as a result the mass of the substances before a physical or chemical change is equal to the mass of the substances present after the change. |
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Definition
| The matter is changed chemically and shows different physical and chemical properties after the change. |
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| "The matter is not changed chemically, just changed to another phase (i.e. gas, liquid, solid) or separated or combined." |
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