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chem i shall a+

history of atomic theiry. PT sections and group names

QuestionAnswer
Daltons therory 1803 atoms but no structure
thomson therory 1880 discovered electrons and said they had no order...cookie chips
rutherford therory 1911 discovered nucleus
bohr therory 1920 planetry modle
oxygen family/ group 16 4 below oxygen
noble gas farthest collum under 0
carbon group 4 under carbon
alkali metals far left but not hydrogen
alkaline earth metals colleum next to alkali metals
boron family 4 under boron
nitrogen family 4 under nitrogen
fluorine family 4 under fluorine
Transitioning metals middle and below
1 base of centi 100
1 base of milli 1000
1 k base 1000 base
100cm 1m
1000mm 1m
1000m 1km
100cs 1s
1000ms 1s
1000s 1ks
isotope atoms of same element having different numbers
Created by: 1046089
Popular Chemistry sets

 

 



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