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6 Science Chapter 6

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
chemistry   show
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matter   show
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show a measure of the pull of gravity upon an object. can change from place to place  
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mass   show
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density   show
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show the tiny particles that make up matter  
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show the tiny, extremely dense core of an atom  
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show tiny particles in an atom that circle the nucleus at tremendous speed  
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show the shield or cloud formed by fast-moving electrons in an atom that prevents other atoms from moving into the same space  
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neutrons   show
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protons   show
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show lacking as electrical charge  
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shell   show
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show the number of protons in an atom  
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element   show
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show a substance that is composed of more that one type of atom bonded together  
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show a chart constructed by Dmitri Mendedeev to arrange the elements in such a way as to group similar elements together  
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show a very hard metal that is used to make stainless, rechargable batteries, tanks to hold corrosive chemicals, and certain coins  
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chromium   show
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show the denest of everyday metals; used to make car and track batteries, wheel weights, and firearms ammunition  
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show a metal often used to coat steel to prevent it from rusting; also used in flashlight batteries  
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sulfur   show
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show basic building block of ALL LIVING things; found in two forms, graphite and diamond  
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silicon   show
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show a waxlike solid with two forms, white and red  
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hydrogen   show
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show a common alkali metal found in the rocks, soils, and oceans of the earth; does not occur naturally in pure form  
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show a strong but lightweight alkali metal used in parts for airplanes and some cars  
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show the most common alkaline earth metal; an ingredient in calcium carbonate  
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show a common alkali metal that is as ingredient in table salt and lye; also used in street lights  
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metals   show
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nonmetals   show
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show the elements in the next to last column of the periodic table; highly reactive, showing a tendency to form compounds with alkali and alkaline metals  
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show to turn directly from a solid to a gas (such as iodine does when heated)  
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show the elements in the last column of the periodic table; are gases and do not combine with other elements except under very unusual circumstances  
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molecule   show
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show a compound that is composed of individual molecules  
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show a geometric arrangment of atoms  
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ionic compounds   show
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chemical reaction   show
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combustion   show
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show the most abundant of the transuranium minerals  
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show the densest element  
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show the only metal that is liquid at room temperature  
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show a nonmetal (halogen) that is liquid at ordinary room temperatures and pressures  
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oxygen and nitrogen   show
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show a halogen that sublimes instead of melts when heated; it is also added to salt.  
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show the hardest of all known substances  
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show most abundant element at the surface of the earth  
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show three main groups of elements  
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Created by: Mrs_CC
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