click click loading compass: September 2010 compass: October 2010 compass: November 2010 compass: December 2010 compass: January 2011 compass: February 2011 compass: March 2011 compass: April 2011 compass: May 2011 if you're all alone, when the pretty birds have flown, honey, i'm still free take a chance on me

hydrogen: Hello my sweet friends! helium: Best viewed in chrome. lithium: Stay or leave, and please tag! Kiss! beryllium: Showing 3 posts on main page! Click archives roll on top for monthly archives.

boron: refresh carbon: close windows and study for a test so i can slack 2mrw! nitrogen: again, remeber to tag! :D oxygen: filling up space for fun!

chloe ko.
christina chow.
mr. doktor's chemistry class
block g

home. mrdoktor.

• Bohr (1920s)

Rutherford's model was inherently unstable
-Protons and electrons should attract each other
Matter emits light when it is heated (blackbody radiation)
Light travels as photons
The energy photons carry depends on their wavelength
-Bohr based his model on the energy (light) emitted by different atoms
-each atom has a specific spectra of light
Bohr's Theory
-electrons exist in orbitals
-when they absorb energy they move to a higher orbital
-as the yfall from a higher orbial to a lower one they release engery as a photon of light