Article Sections. Urinary tract infections are the most common bacterial infections in women. Most urinary tract infections are acute uncomplicated cystitis. Identifiers of acute uncomplicated cystitis are frequency and dysuria in an immunocompetent woman of childbearing age who has no comorbidities or urologic abnormalities.
In this lesson you learned about two types of bonds: nonpolar covalent and polar covalent. Nonpolar covalent bonds are a type of chemical bond where two atoms share a pair of electrons with each other. Polar covalent bonding is a type of chemical bond where a pair of electrons is unequally shared between two atoms.
The difference between polar and non-polar molecules is the final charge caused by the covalent bond. Polar molecules will have an excess charge due to the imbalance of the electronegativity of the atoms forming the bond that creates a difference of charge in the poles of the molecule. Non-polar molecules will be neutral, due to a balance of electronegativity of the atoms.