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
The definition of charm is something thought to have magic power, piece of jewelry or a person or thing that attracts others. 1  An example of a charm is a rabbit's foot keychain.  An example of a charm is a small silver butterfly pendant worn with other pendants on a bracelet.