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
1. a. The part of a garment that encircles the neck, especially when raised or folded. b. See clerical collar. 2. A tight-fitting necklace. 3. a. A restraining or identifying band of leather, metal, or plastic put around the neck of an animal.