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Chemistry CH. 5

Chemistry

QuestionAnswer
Electricity used in the late 1870's to aid in the study of atoms and their properties
Postitive Electrode Cathode
Negative Electrode Anode
Rutherford discovered that when you placed a radioactive elemnt in a lead box with a small hole in it, a high energy particle was emmited
Laser ( 3 Particles ) Alpha, Beta, Gamma
Rutherford shot at what type of foil Gold (Au)
The scatter patterns were deflected differently if they hit the Nucleus
Wavelength y (upsidedown)
Frequency v (Curved)
ROY. G. BIV Red orange yellow green blue indigo violet
As frequency gets bigger y (wavelenth gets smaller)
C= Speed of Light 3.00*10^8 m/s
Energy= Planks constant * frequency E= HvH= 6.626*10^-34 [J*s]
Line Spectrum charateristic Property used to identify an element
Lowest electron state Ground State
Anything above GS is an Excited State
Becomes an excited state when energy is absorbed
Lose an electron Cation
gain and Electron anion
Plum Pudding Model ATOM CONSISTED OF A UNIFORM POSITIVE SPHERE OF MATTER IN WHICH THE ELECTRONS WERE EMBEDDED
Created by: mom.incharge