Definition of atomic number 64

atomic number 64, atomic number 4, atomic number 6, atomic number 74, atomic number 24, atomic number 56, atomic number 96, atomic number 84, atomic number 61, atomic number 47, atomic number 68, atomic number 36, atomic number 41, atomic number 94, atomic number 43, atomic number 69, atomic number 40, atomic number 86, atomic number 48, atomic number 14