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.
Help!
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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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