Find the atomic mass of the compound Chemistryium (a made up element) that has three isotopes: 51.492 amu with an abundance of 56.78%,54.299 amu with an abundance of 34.67% and 58.613 amu with an abundance of 8.55%. Complete the table by providing the atomic number, mass number, number of protons, and the number of neutrons for the atoms given