how many electrons and protons and neutrons in gold?
How many protons and neutrons does gold have in it? Gold is considered the heaviest monoisotopic element. It has 79 protons and 118 neutrons in its atomic core, for a total of 197 nucleons. There are 18 radioisotopes of gold, meaning variants with different numbers of neutrons that are radioactive. An atom with a core that has a different number of protons than 79 is not gold.