note taker atoms and the periodic table记笔记的原子和元素周期表

《note taker atoms and the periodic table记笔记的原子和元素周期表》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、Unit02Notes:ATOMSANDTHEPERIODICTABLEAtomicStructure:•_________________:thesmallestparticlethathasthepropertiesofanelement.•Fromtheearly_____________conceptoftheatomtothemodernatomictheory,scientistshavebuiltonandmodifiedexisting_____________________________________________.AtomB

2、asics:•Atomsarecomposedofapositivelychargednucleussurroundedbyanelectroncloud.–________________(99%ofatom’smass):unchargedneutronsandpositivelychargedprotons.–______________________________:negativelychargedelectronsinconstantmotioncreatinga“cloud”likeafan.DEMOCRITUS:•In________

3、___,thisGreekphilosophersuggestedthattheuniversewasmadeof____________________________________.•“Atom”–Greekwordmeaning“______________________________________”JOHNDALTON:Dalton’sAtomicTheory:–_____________________________________________________________________–__________________

4、___________________________________________________–_____________________________________________________________________–_____________________________________________________________________THOMPSONANDMILLIKAN:•Asitturnsout,theatomcanbedividedinto_______________________________

5、_________.•ThompsonandMillikanaregivencreditforthefirstdiscoveriesrelatingto_______________.RUTHERFORD:•Rutherforddiscoveredthe_____________________________________________________.NIELSBOHR:•In1913,thisDanishscientistsuggestedthatelectrons______________________________.•InBohr’

6、smodel,electronsareplacedindifferent________________________________basedontheir____________________________________________________________.16Unit02MODERNATOMICMODEL:•By_________,Bohr’smodeloftheatomnolongerexplainedallobservations.Bohrwascorrectabout______________________,butw

7、rongabout___________________________.•Electronsoccupythe_________________________________levelsavailable.•Energy___________________asdistancefromthenucleus_______________________.•Electronsmoveinpatternsof“_______________________________”aroundthenucleus.•Itisimpossibletoknowbot

8、hanelectrons__________________and______________