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
8. jewelry consisting of a circlet of precious metal (often set with jewels) worn on the finger. 9. a strip of material attached to the leg of a bird to identify it (as in studies of bird migration) Familiarity information: RING used as a noun is familiar.