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
bead. 1. a small, usu. round object of glass, wood, stone, or the like with a hole through it, often strung with others of its kind in necklaces, rosaries, etc. 2. beads, a. a necklace of beads.