Definition of atomic number 44

atomic number 44, atomic number 4, atomic number 24, atomic number 43, atomic number 49, atomic number 46, atomic number 14, atomic number 54, atomic number 45, atomic number 48, atomic number 41, atomic number 42, atomic number 74, atomic number 94, atomic number 34, atomic number 84, atomic number 47, atomic number 40, atomic number 64, atomic number 104