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| area where negatively charged electrons, arranged in energy levels, travel around an atomic nucleus |
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| the different posistions for an electron in an atom |
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| chemical symbol for an element, surrounded by as many dots as there are electrons in its energy level |
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| force that holds two atoms together |
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| attraction that holds oppositely charged ions close together |
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| atom that is positively or negatively charged because it has gained or lost electrons |
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| combination of chemical symbols and numbers that indicate which elements and how many atoms of each element are present |
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| How many electrons can the following energy levels hold: first, second, third, fourth |
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first-2
second-8
third-18
fourth-32 |
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| Which group is known as the Noble Gases? |
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| Which group is known as the Halogen Group? |
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| Which group is known as the Alkali Group? |
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| Which element is the most reactive of the Halogen Group? |
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| How many known elements are there? |
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| How many of them occur naturally? |
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| What are the elements that are not found in nature called because they're made by scientist in a particle accelerator? |
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| State the Law of Conservation of Mass. Who introduced it? |
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| measure of how much solute can be dissolved in a certain amount of solvent |
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| matter with a fixed moposition whose identity can be changed by chemical process but not by ordinary pysical processes |
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| type of mixture where two or more substances are evenly mixed on a molecular level but are not bonded together |
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| substance that dissolves the solute |
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| type of mixture where the substances are not evenly mixed |
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| substance that dissolves and seems to disappear into another substance |
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| the compound that is formed as a result of an ionic bond |
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