Term
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Definition
| anything that takes up space and has mass. |
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Term
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Definition
| the amount of matter in an object (grams). |
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Term
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Definition
| the amount of matter in an object (mass) plus the force of gravity acting upon it. |
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Term
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Definition
| how much space an object takes up (mL or cm3) |
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Term
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Definition
| how much matter ( mass) is packed into a certain amount of space ( volume) D=M/V |
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Term
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Definition
| "has a definite shape and a definite size ; the particles are packed together very tightly, has a low energy level" |
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Term
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Definition
| has a definite size and NO definite shape; particles are held together more loosely; has more energy that a solid. |
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Term
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Definition
| has NO definite shape or size; very loosely packed or compressed very tightly; has a lot of energy. |
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Term
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Definition
| acts like a gas; BUT has more energy than gas because it is an electrically charged gas. |
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Term
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Definition
| "how a kind of matter exists, and it depends upon how tight its atoms or molecules are packed. State can change by increase or decrease in temperature or presssure" |
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Term
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Definition
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Term
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Definition
| water in the gaseous state |
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Term
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Definition
| the act of matter changing phases or states from a gas to a liquid |
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Term
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Definition
| are used to describe a piece or kind of matter. |
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Term
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Definition
| the purest form of matter; a substance that cannot be broken down into another substance. |
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Term
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Definition
| a substance formed when 2 or more elements chemically combine and a new substance is produced. |
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Term
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Definition
| a combination of 2 or more elements or compounds that keep their properties |
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Term
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Definition
| the smallest part of a substance that is still that particular substance. |
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Term
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Definition
| the smallest part of an element |
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Term
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Definition
| the central part of the atom and contains the protons and neutrons |
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Term
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Definition
| the positively charged (+) subatomic particle located inside the nucleus. |
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Term
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Definition
| the “no charged” or neutral subatomic particle located inside the nucleus. |
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Term
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Definition
| the negatively charged (-) subatomic particle that orbits the nucleus. |
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Term
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Definition
| a chart of all the known elements; elements are group and classified by several different properties of matter. |
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Term
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Definition
| a combining of symbols that are used to show the elements in a compound. |
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Term
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Definition
| "the properties of a substance change, the identity of the substance does not change" |
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Term
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Definition
| point at which a liquid changes to a gas |
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Term
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Definition
| point at which a solid will become a liquid |
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Term
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Definition
| these elements share similar properties; families are grouped by columns on the periodic table; there are 18 different families. |
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Term
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Definition
| These elements do not share properties; they are grouped by the rows 1 to 7. |
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Term
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Definition
| are usually solids at room temperature and are located to the left of the staircase boundary on the P.T. |
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Term
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Definition
| " Luster (shiny), good conductors of electricity, and are malleable (bendable); ductile ( pulled into strands)" |
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Term
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Definition
| are mostly solids or gases at room temperature and are located on the right side of the staircase boundary |
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Term
| 3 properties of a nonmetal |
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Definition
| "dull, poor conductors of electricity, and are brittle (breaks easily)" |
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Term
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Definition
| have properties of both metals and nonmetals |
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Term
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Definition
| is the # of protons in the nucleus. |
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Term
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Definition
| "this is the weight of the nucleus of the atom, which contains both protons and neutrons" |
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Term
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Definition
| this is family # 18 on the periodic table. We call them Inert or Noble because they are stable and don’t like to react (or mix) with other elements. |
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Term
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Definition
| "change of state from a solid directly to a gas,skipping the liquid state" |
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Term
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Definition
| change of state from a gas to a liquid caused by decrease in energy ( temperature |
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Term
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Definition
| change of state from a liquid to gas caused by increase in temperature. The liquid does not have to reach its boiling point |
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Term
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Definition
| a property of a metal that refers to how shiny it is |
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Term
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Definition
| "a property of a metal that allows it to be bent, shaped, molded into thin sheets of metal" |
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Term
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Definition
| a property of a metal that allows it to be pulled into strands like wire |
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Term
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Definition
| the substance that is being dissolved |
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Term
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Definition
| the substance that is doing the dissolving |
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