The electrical charge of the hydrogen atom is thought to be exactly zero. This is a consequence of the apparent equality of the magnitude of the electrical charges of the electron and the proton, and their opposite sign.
Necklace definition, a piece of jewelry consisting of a string of stones, beads, jewels, or the like, or a chain of gold, silver, or other metal, for wearing around the neck. See more. Dictionary.com
or baguet. 1. Jewelry. a rectangular shape given to a small gem, especially a diamond, by cutting and polishing. a gem having this shape. 2. Architecture. a small convex molding, especially one of semicircular section.