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.
Percussion Caps or Primers. Smoking around a charged. and/or primed muzzleloader, percussion caps, primers, prim-. ing powder or supply of powder may cause premature firing of. the gun or an explosion of the powder can, horn or flask caus-. ing serious injury and/or death to the shooter or bystanders. and damage to property.