{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Chemistry Test One Notes

Chemistry Test One Notes - Chemistry Test One Notes Atomic...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry Test One Notes Atomic Structure Rutherfords Experiment JJ Thompson- atom relatively large positively charged small electrons embedded Rutherford o Small positively charged mass surrounded by electrons o Most of mass is nucleus Quantinizatoin of Energy Light is electromagnetic radiation Planck- quantum theory, energy is not continuous o Energy comes in discrete packets o E= hv Photoelectric effect- Einstein o Light consisits of photons o Each photon is packet of energy o Convincing support to energy quantinization Bohr Model Explains characteristic lines of emission and absorbtion spectrum of atom 1913 proposed atomic model o Nucleus pos, electrons neg o Electrostatic attraction between nucleus and electrons prevents the electrons from  flying away
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
o Electron has angular momentum; Bohr assumed it was quantinizted and equal to  some integral multiple of n/2pi o Mevr=n h/2pi, n= 1 2 3 4 o Equation: Spectra of a Hydrogen Atom Lines come from change of energy state Equation: Due to quantinizaton of energy states in atom, absorbtion and emission spectrum at atom  consists of lines
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}