Sodium. Sodium Ion Level . Sodium-23 . Ion Level, Sodium . Level, Sodium Ion . Sodium 23 . A member of the alkali group of metals. It has the atomic symbol Na, atomic number 11, and atomic weight 23. . 1.00
Aluminum. Aluminium-27 . Aluminum-27 . Aluminium 27 . Aluminum 27 . A metallic element that has the atomic number 13, atomic symbol Al, and atomic weight 26.98. . 0.59
Lutetium. An element of the rare earth family of metals. It has the atomic symbol Lu, atomic number 71, and atomic weight 175. . 0.59
Protactinium. A radioactive element of the actinide group of metals. It has the atomic symbol Pa, atomic number 91, and atomic weight 231. It decays by alpha-emission. . 0.57