nonpolar covalent bond. (physical chemistry). A bond in which a pair of electrons is distributed or shared equally between two atoms. 1  Facebook.2  Twitter.onpolar covalent bond. (physical chemistry). A bond in which a pair of electrons is distributed or shared equally between two atoms. 1  Facebook.
When is a barrel chest a sign of a disease process? Chronic obstructive pulmonary disease (COPD) is the most common instance in which a barrel chest will occur. In these cases, itâs a sign of the lungs being over-expanded. This is caused by the loss of elasticity and results in the person having hyper-inflated lungs.
Gasoline Smell in Car from a Fuel Tank Leak. I would have to say that a fuel tank leak is probably the most common fuel leak of all. There are many reasons for a fuel tank to leak, anything from a rotted tank to a punctured tank.as Cap Causing Gasoline Smell in Car. I know it may seem obvious, but a loose or missing gas cap can cause a fuel smell in your vehicle. You could even have a faulty gas cap that is leaking fumes. A faulty gas cap can also cause the check engine light to illuminate with a DTC on newer cars.