Healing time is different depending on the part of your body that you get pierced. 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.
By Anne Marie Helmenstine, Ph.D. Molecular Equation Definition: A molecular equation is a balanced chemical equation where the ionic compounds are expressed as molecules instead of component ions. Examples: KNO 3 (aq) + HCl(aq) â KCl(aq) + HNO 3 (aq) is an example of a molecular formula.
Summary: 1  Molecular and structural formulas deal with atoms and molecules. 2  To express what a particular molecule consists of, we use the molecular formulas and the structural formulas. 3  With a molecular formula, it can specify the actual number of atoms of each element in a molecule. When writing the molecular formula, you have to write the symbols for all the elements that are contained within a molecule. A structural formula shows the structure of how atoms and molecules are built.