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
jewelry - an adornment (as a bracelet or ring or necklace) made of precious metals and set with gems (or imitation gems) jewellery. adornment - a decoration of color or interest that is added to relieve plainness. bead - a small ball with a hole through the middle.