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study this if u go to McC

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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Question
Answer
Imdependent variable   single factor in an expirement that changes  
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Dependent variable   factor that will be measured in an expirement  
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Qualitative observation   observation that describes anything but numbers  
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Quantitative Observation   observation that describes numbers  
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Independent varriable goes on which axis?   X axis  
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dependent varriable goes on which axis?   Y axis  
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temprature   average kinetic energy of the particles in a substance  
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what groups are the representative elements??   Groups 1,2,13-18  
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what is the name of group 1   alkali metals  
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group 2   alkaline earth metals  
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group 17   halogens  
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what do metals do to become stable??   loose electrons  
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what do non metals do to become stable??   gain electrons  
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an elements identity is determined by the amount of   protons  
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radioactive decay occurs in the...   neucleus  
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during alpha particle decay an atom looses...   2 protons and 2 nuetrons  
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during beta partical emmision...   a neutron splits in to and electron and a proton  
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