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| A type of matter with a fixed composition. |
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| If all the atoms in a substance has the same identity it becomes {blank}. |
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| A substance in which the atoms of 2 or more elements are combined. |
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| Mixture in which different materials can easily be distinguished. |
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| Contains 2 or more gases, liquids, or solids substances blended evenly |
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Homogeneous mixture with particles so small that they cannot be seen with a microscope.
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| Type of mixture with particles that are larger than those in solutions, but not heavy enough to settle out. |
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Scattering of light by colloidal particles.
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| Heterogeneous mixture containing a liquid where visible particles settle. |
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Characteristic of a material you can observe without changing the identity.
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| A change in size, shape, or state. |
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| A process for separating substances by evaporating a liquid and recondensing its vapor. |
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| Characteristic of a substance that indicates whether it can undergo a chemical change. |
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| A change of one substance to another. |
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| Law of Conservation and Mass |
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| The mass of all substances that are present before a chemical change equals the mass of all the substances after the change. |
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| Explanation of how particles in matter behave. |
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| The point in temperature when the solid starts to liquefy. |
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| The energy required to change a substance from a solid to a liquid at its melting point. |
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The point in temperature when the liquid starts to boil.
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Amount of energy required for a liquid to become a gas.
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Spreading of particles throughout a given volume until they are distributed.
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| Ability of a fluid to exert an upward force on an object immersed in it. |
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| Force exerted per area. (Formula) |
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The resistance to flow by a fluid.
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Used to measure pressure.
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| Element composed of one type, the {blank |
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| Particles in a atom with a positive charge. |
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| Particles in a atom with no charge. |
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Particles in a atom with a negative charge.
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| Smaller particles in neutrons and protons. |
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Area around a nucleus where electrons are mostly found.
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| Number of protons in an atom is equal to a number called {blank}. |
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| This number is the sum of the number of protons and neutrons. |
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| Atoms of the same element that have different numbers of neutrons. |
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| Is the weighted average mass of its isotopes. |
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| A table filled with elements in order of atomic numbers, etc. |
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The vertical columns in the periodic table.
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| Uses the symbol of the element and dots to represent electrons. |
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| Horizontal rows of elements. |
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| Good conductors of heat and electricity. |
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| Single Displacement Reaction |
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| Double Displacement Reaction |
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| law of conservation of energy |
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