Definition of atomic number 71

atomic number 71, atomic number 1, atomic number 7, atomic number 10, atomic number 18, atomic number 41, atomic number 87, atomic number 75, atomic number 67, atomic number 12, atomic number 15, atomic number 21, atomic number 79, atomic number 57, atomic number 73, atomic number 61, atomic number 76, atomic number 77, atomic number 27, atomic number 97