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 ...
The de Quervainâs screening tool (DQST) includes the following criteria: 1  Pain centered over the radial styloid. 2  Tenderness and swelling of the first extensor compartment. 3  Painful thumb extension with resistance. 4  Positive Finkelsteinâs test (see below)