A plough or plow (US; both / p l aÊ /) is a tool or farm implement used in farming for initial cultivation of soil in preparation for sowing seed or planting to loosen or turn the soil. Ploughs were traditionally drawn by working animals such as horses or cattle, but in modern times are drawn by tractors.
Nonpolar molecule. Definition. noun, plural: nonpolar molecules. A molecule with nonpolar bonds or with polar bonds but arranged symmetrically. Supplement. Polar bonds may occur in both polar and nonpolar molecules.However, the polar bonds in nonpolar molecules are arranged symmetrically causing dipoles to cancel out each other. As a result, nonpolar molecules have no net dipole.efinition. noun, plural: nonpolar molecules. A molecule with nonpolar bonds or with polar bonds but arranged symmetrically. Supplement. Polar bonds may occur in both polar and nonpolar molecules.
A molecule is nonpolar if: There are also two cases in which you can be certain that a molecule is nonpolar. The first is the trivial case in which a diatomic molecule consists of only one kind of atom. Larger molecules, even if they have only one kind of atom, are sometimes polar. This will occur when the central atom has one or more pairs of nonbonded electrons. One example of this is ozone, O 3. The middle oxygen atom has a lone pair of electrons and this lone pair gives the molecule its polarity.