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