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
noun. A necklace is an accessory. A necklace is an accessory. An accessory is defined as a person who assists someone else to break the law or commit a crime but who doesn't participate in committing the crime himself.