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.
Demodectic mange in dogs is related to a suppressed immune system. Whether or not Demodex causes harm to a dog depends on the dog's ability to keep the mite under control. Demodectic mange is not a disease of poorly kept or dirty kennels.