Unit 7.1 Review (Fill in the blank)
Quiz by Jessica Harris
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- Q1
Something that helps identify & classify different types of matter. They are always the same whether the sample being observed is big or small
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Matter cannot get in or out.
Stays the same mass
Particles move faster or slower
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Matter can get in or out.
Mass changes.
Particles can leave or join the system
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Made up of the same type of material throughout. It is PURE. It is not a mixture
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Characteristics of a substance that don’t change. Consistent with any sample of that substance, no matter the size (Color, melting point, solubility, density, etc.)
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When a solid dissolves into a liquid, the solid breaks apart into particles too small to see and mixes completely in the liquid.
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Can be dissolved into something else
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Does not dissolve into something else
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A blend of 2 or more substances.
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The amount of space a substance takes up (volume) in relation to the amount of matter in the substance (mass)
D= M/V
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A chemical property of matter. How a substance interacts with fire
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When new substances are produced from one or more molecules of the old substances, some of the atoms that make up the molecules of the original substance(s) break apart and/or join together to make different types of molecules
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A group of two or more atoms (elements) that are bonded together. The atoms/elements can be the same (H2) or different (H2O)
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Molecules that bond together in a specific way. Not every molecule is a compound. All compounds are molecules.
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Expression which states the number and type of atoms present in a molecule C6H12O6
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