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
A pendant is a type of necklace in which a jewel, fob or jeweled motif hangs on an otherwise unadorned chain. The word pendant is both a noun and an adjective, and can mean 'hanging from something else.' A chandelier, for example, might be described as 'pendant from the wooden beams.'.