You should have one unbonded pair of electrons left on the phosphorus. This pair is going to make the shape of the molecule slightly tetrahedral (like a pyramid) and will cause the over electron distribution to be off. Whenever a molecule is not symmetrical it has a dipole moment.
Osteoarthritis, Arthritis in Dogs. Osteoarthritis, also known as degenerative joint disease (DJD), is defined as the progressive and permanent long-term deterioration of the cartilage surrounding the joints.
Overview of Cheyletiellosis in Dogs. Cheyletiellosis is an itchy, scaling skin disease of dogs caused by infestation with Cheyletiella mites. It is often called walking dandruff because when you examine an infested dog, you may see that the dandruff is moving. The movement is actually caused by the mites moving around under the scales.