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A water molecule, abbreviated as H2O, is an example of a polar covalent bond. The electrons are unequally shared, with the oxygen atom spending more time with electrons than the hydrogen atoms. Since electrons spend more time with the oxygen atom, it carries a partial negative charge.Another example of a polar covalent bond is between a hydrogen and chlorine atoms. In this bond, the chlorine atom spends more time with the electrons than the hydrogen atom.hey are not equally sharing the toys. This unequal sharing also happens with a type of bond called polar covalent bonding. Polar covalent bonding is a type of chemical bond where a pair of electrons is unequally shared between two atoms.
Polar Bonds. Polar bonds happen when two atoms form a molecule using a covalent bond. When the two atoms share electrons, there is also a change of electron density. If the electrons are not shared equally, then there will be a partial ionic charge.This happens most often in atoms with a large difference in their electronegativity.hen students take their first biology or chemistry cl9ass, among the first things that they will learn about hare atoms and molecules. The characteristics of atoms and how they bond make up the basic foundations of life.