Gold, represented by the chemical symbol Au, has 79 electrons. This is because the atomic number of gold is 79, which indicates the number of protons in its nucleus, and in a neutral atom, the number of electrons equals the number of protons.
To understand this better, let’s look at atomic structure briefly. Atoms consist of protons and neutrons in the nucleus, with electrons orbiting around this nucleus. For gold, the 79 electrons are arranged in various energy levels or electron shells, which determine its chemical properties and interactions with other elements.
In summary, gold contains 79 electrons, corresponding to its atomic number, and this characteristic plays a crucial role in its unique properties and applications in various fields, including electronics and jewelry.