Some parts are more likely to get infected or have problems. Piercings on your ear lobes usually take about 6-8 weeks to heal. However, piercings on the side of your ear (cartilage) can take anywhere from 4 months to 1 year to heal.
Ammonia is a colorless inorganic compound of nitrogen and hydrogen with the formula NH3, usually in gaseous form with a characteristic pungent odor. Ammonia is irritating to the skin, eyes, nose, throat, and lungs. It is essential for many biological processes and has various industrial applications.
The chemical formula is NH4+If you mean the chemical name of NH4+ than it it is an ammonium ion.NH4]+ is ammonium for the ion. For the uncharged molecule it would be nitrogen tetrahydride NH3 is ammonia or nitrogen trihydride. Edit. Share to: 1  The Periodic Table of Elements Life is sustained by a number of chemical elements.