

InterviewSolution
Saved Bookmarks
1. |
The elements which are radioactive and have been named after the name of planet areA. `Hg` (Mercury) (Hergentium)B. `Np` (Neptunium)C. `Pu` (Plutonium)D. `Ra`(Radium) |
Answer» Correct Answer - B::C a. `Hg` (derived from the word Hergentum) is not radioactive. b. `Np` (Neptunium, `Z = 93`) is radioactive and named after the name of a planet. c. `Pu` (Plutonium, `Z = 94`) is also radioactive and named after the name of a planet. d. `Ra` (Radium, `Z = 88`) is also radioactive but not named after the name of any planet. |
|