Polar Bond Definition: A polar bond is a covalent bond between two atoms where the electrons forming the bond are unequally distributed.This causes the molecule to have a slight electrical dipole moment where one end is slightly positive and the other is slightly negative.y Anne Marie Helmenstine, Ph.D. Polar Bond Definition: A polar bond is a covalent bond between two atoms where the electrons forming the bond are unequally distributed. This causes the molecule to have a slight electrical dipole moment where one end is slightly positive and the other is slightly negative.
It turns out that the smells and other problems in new-style washing machines are caused by slimy bacteria, mold, mildew and other fungus growing on the plumbing and drum inside the machine. Bits and pieces of these nasties get transfered to the laundry during the wash cycles.
The Cause of Rotten-Egg Odor. The most common cause of smelly water is anaerobic bacteria that exist in some water and react with sulfur and the magnesium and aluminum sacrificial anodes that come with most water heaters to produce hydrogen sulfide gas, making the classic rotten egg odor.