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a substance made of 2 or more atoms that are chemically bonded that can be broken down into simpler stable substances |
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What happens to the energy in a substance when it changes state? |
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it changes form but is neither destroyed nor increased |
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A homogeneous mixture is also |
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A physical change occurs when a |
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glue gun melts a glue stick |
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the liquid state of matter can be described as |
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having a definite volume but not a definite shape |
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noble gases are in Group 18 and are bes known b/c they are |
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Plasma is the 4th state of matter in plasma state |
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A state of matter in which a material has no definite shape but has a definite volume is the |
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If a mixture is not uniform throughout it is called |
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a chemical change occurs when |
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a leaf changes color in fall |
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which of the followning is an intensive property of matter |
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always the same shape regardless of its container |
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what is an extensive property of matter |
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It is easy to determine whether a substance is a metal if the substance is |
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a good electrical and heat conductor |
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Under ordinary conditions of temp. and pressure the particles in a gas are |
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very far from one another |
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a blend of any 2 or more kinds of matter, as long as each maintains its own unique properties |
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Which of the following is an example of a heterogeneous mixture? |
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if a mixture is in uniform composition it is said to be |
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