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
pendant. 1  a hanging ornament, as an earring or the main piece suspended from a necklace. 2  an ornament suspended from a roof, vault, or ceiling. 3  a hanging electrical lighting fixture; chandelier. 4  that by which something is suspended, as the ringed stem of a watch. 5  a match, parallel, companion, or counterpart. 6  Also, pennant. 7  pendent.