No piercing is considered fully healed until it's a year old. Contrary to what you may read, it takes the body a full year to season a piercing to the point where it can be removed for extended periods of time without the risk of the piercing closing.
HBr is polar. The Lewis structure shows a central carbon atom forming four single covalent bonds with the four terminal bromines. The central carbon has no lone pairs and four bonding pairs, so the molecular geometry is tetrahedral (as is the electron geometry), and bond angles are thus approximately 109.5 degrees.
In chemistry, geometry generally refers to the spatial relationship of atoms or radicals forming a molecular structure. A good basic example would be the benzene ring that is â¦ the basis of the aromatic hydrocarbons.This is a geometric hexagon with the 6 carbon atoms of benzene connected to each other, and each to a hydrogen atom or some other radical. good basic example would be the benzene ring that is â¦ the basis of the aromatic hydrocarbons. This is a geometric hexagon with the 6 carbon atoms of benzene connected to each other, and each to a hydrogen atom or some other radical.