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30 Cards in this Set
- Front
- Back
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Element |
basic building block of matter, cannot be broken down to a simpler substance, consists of atoms of 1 type |
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Atom |
smallest particle of an element that has chemical properties of element, building blocks of matter |
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Mass |
amount of matter in substance, can measure mass using a balance, this is not to be confused with weight |
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Density |
measurement of how solid is specifically it is mass per unit volume of substance (D=m/v) |
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Volume |
amount of space an object takes up |
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Matter |
anything that has mass and takes up space ( has volume) |
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Nucleus |
the center of the atom that contains both protons and neutrons |
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Protons |
the positively charged particles of an atom, found in the nucleus |
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Neutrons |
the small particle of an atom that carries a neutral charge, found in the nucleus |
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Electrons |
the negatively charged particles of an atom, found outside the nucleus |
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Periodic Table |
a chart that contains all the known elements, arranged by the atomic number |
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Solid |
the state in which matter maintains a fixed volume and shape |
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Liquid |
the state in which matter maintains a fixed volume but adapts to the shape of its container |
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Gas |
the state in which matter expands to occupy whatever volume is available |
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Physical Property |
characteristic that you can see through direct observation that includes color, texture, density, odor, and state ( solid, liquid, liquid, gas ) |
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Chemical Property |
properties that can only be observed when one substance changes into a different substance |
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Physical Change |
a change from one states to another without change in chemical composition |
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Chemical Change |
results in the formation of one or more new substances, a change that cannot be reversed |
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Melting |
change of state from a solid to a liquid with the addition of energy |
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Evaporation |
the change of a substance from a liquid to a gas |
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Boiling |
the conversion of a liquid to a vapor |
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Freezing |
the change of state from a liquid to a solid |
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Condensation |
the change in state from gas to a liquid |
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Sublimation |
the process in which a solid changes directly into a gas |
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Conduction |
the transfer of heat energy between objects that are in contact or touching |
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Convection |
the transfer of heat energy by a moving liquid or gas |
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Radiation |
the transfer of heat energy by electromagnetic waves |
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Thermal Energy |
the total of all the kinetic and potential energy of the atoms of an object |
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Temperature |
the measure of thermal energy |
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Insulator |
a material that does not let thermal energy or electricity pass through easily |
