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
Synonyms: neckband; dog collar; choker; collar. Hypernyms (choker is a kind of...): necklace (jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women)).