When molecules have an even charge distribution and no dipole moment then they are nonpolar molecules. CO2 is a linear molecule, so our dipoles are symmetrical; the dipoles are equal in magnitude but point in opposite directions. Generally, when dipole distribution is symmetrical there is no dipole moment.
Degenerative joint disease (medical condition): Osteoarthritis is a form of arthritis typically caused by age-related wear-and-tear. In diagnosis, it ...
Identify by palpation the point at which the end of the clavicle articulates with the acromion. 1  Gently push on the area, noting if it causes pain similar to what the patient was describing. 2  Ask the patient to move their arm across their chest. This stresses the a-c joint and will cause pain in the setting of DJD.