Definition of atomic number 64

atomic number 64, atomic number 4, atomic number 6, atomic number 14, atomic number 26, atomic number 74, atomic number 24, atomic number 42, atomic number 36, atomic number 44, atomic number 69, atomic number 43, atomic number 61, atomic number 76, atomic number 94, atomic number 62, atomic number 54, atomic number 86, atomic number 67, atomic number 96