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 ...
What is Knuckleball? This is a type of pitch in baseball characterized by its unpredictable flight path. The pitch is also known as a knuckler and involves a special grip. A common misconception of the knuckleball pitch is that it's thrown with knuckles on the ball. The most common grip involves 'digging' the index/middle/ring finger nails just below the seam of the baseball, leaving your pinkie finger loose, and thumb under the ball.