243 Am 95 1. The atomic symbol of americium-243 is shown. Which of the following is correct? • A. The atomic mass is 243 amu, and the atomic number is 95. B. The atomic mass is 338 amu, and the atomic number is 95. • C. The atomic mass is 95 amu, and the atomic number is 243. D. The atomic mass is 243 amu, and the atomic number is 338.​
