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Of definite shape and volume; not liquid or gaseous |
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The state of matter in which a substance exhibits a characteristic readiness to flow, little or no tendency to disperse, and relatively high incompressibility |
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The state of matter distinguished from the solid and liquid states by relatively low density and viscosity, relatively great expansion and contraction with changes in pressure and temperature, the ability to diffuse readily, and the spontaneous tendency to become distributed uniformly throughout any container. |
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A mixture is what you get when you combine two substances in such a way that no chemical reaction occurs between the components and you can separate them again. |
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a pure substance is any single type of material. |
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It is the number of protons in the nucleus of an atom. |
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have the highest ionizing power; since they carry the positive charge. They also has a very high diffraction in the air. They travel at 1/20th of the speed of light. |
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They can penetrate more than a piece of paper, though they generally stop penetrating after passing through an aluminium sheet. Beta rays have a moderate ionizing power, since they carry the negative charge. They have a moderate diffraction in the air. They travel at almost the speed of light. |
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They can penetrate at a larger area; and can be stopped by a thick lead block. Gamma rays have almost no ionizing power, as they carry no charges. Gamma rays travel at the speed of light. |
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splitting of a nucleus into smaller parts |
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Nuclei combine to form a nucleus with a greater mass |
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Amount of time it takes for half of a radioisotope to decay |
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rows in the periodic table |
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Columns in the periodic table |
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some dont react, colorful |
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have characteristics of metals and non metals. |
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ability for an atom to attract electrons |
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Valance Electron pairs repel eachother |
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no partially charged regions so electrons are equally shared in bonds |
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Occur between molecules with pereminent opposite charges. |
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Used because atoms and molecules are too small to measure. |
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Single Replacement Reaction |
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Double Replacement Reaction |
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uses mole ratios from the balanced equation |
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