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| What does something need to be considered matter? |
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| made of 2 or more substances that are together in the same place, but their atoms aren't chemically bonded |
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can see different parts and can be seperated
Ex: Chex Mix |
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cant see differnt parts
Ex: Tea, coffee |
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| amount of space matter occupies |
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| how you find volume of regular shaped object |
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| how you find the volume of an irregular shaped object |
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| graduated cylinder ( water displacement) |
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| basic particle from which all particles are made |
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| proton, neutron, electron |
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when appearance of form of a substance changes, but no new substance is produced
Ex: broken glass |
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change in matter that produces 1 or more new substances
Ex: match burning |
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meausure of mass of a material in a given volume
d=m/v |
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| absorb energy from nearby matter, cold |
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| energy is released; usually heat |
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| amount of material in object |
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definite shape and definite volume
packed tightly |
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substance with a definite volume, but no shape
free to move |
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| no definite shape or volume |
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| inward force or pull among molecules in a liquid that brings molecules on surface closer together |
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| liquids resistance to flowing |
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| change of state from liquid to gas |
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| takes place on surface of a liquid |
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| change of state from gas to liquid |
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| surface particles gain energy to form a gas |
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| part of an atom with no electric charge |
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| particles that make up the nucleus |
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| how many electrons fit on 1st electron shell |
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| how many electrons fit on 2 shell |
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| how many electrons fit on 3 shell |
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| sum of protons and neutrons |
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| substances that undergo the chemical changes on the left side of a chemical formula |
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new substances that form
what you finish with
on right side |
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| a number in a chemical formula that tells the number of atoms in a molecule |
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| a number placed in front of a chemical formula in an equation |
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| law of conservation of mass |
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| the fact that it is not created or destroyed in any chemical or physical change |
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