11. With q being the elementary charge and n the electron density . 12. Graphical models, including electron density are a commonly employed tool in chemistry education. 13. As in methane above, there are four regions of electron density . 14. The first H K theorem demonstrates that the functionals of the electron density . 15. Like pyridines, in pyrimidines the ?-electron density is decreased to an even greater extent. 16. This donation would lower the electron density of the alkene, and deactivate the reaction. 17. The data of such structures is stored on the " electron density server ". 18. The Patterson function is also equivalent to the electron density convolved with its inverse: 19. The crystal lattices aren't showing me things like electron density . 20. The electron density in the ionosphere varies throughout the day, complicating the ionosphere correction.
