| Element | Discoverer | % Correct |
|---|---|---|
| Polonium | Radium | Marie Curie | Pierre Curie | 84%
|
| Berkelium | Albert Ghiorso | Glenn T. Seaborg | Gerald Thompson | 63%
|
| Californium | Albert Ghiorso | Glenn T. Seaborg | Kenneth Street Jr. | Gerald Thompson | 63%
|
| Americium | Albert Ghiorso | Ralph A. James | Glenn T. Seaborg | 63%
|
| Curium | Albert Ghiorso | Ralph A. James | Leon O. Morgan | Glenn T. Seaborg | 63%
|
| Mendelevium | Gregory R. Choppin | Albert Ghiorso | George Harvey | Glenn T. Seaborg | Gerald Thompson | 63%
|
| Plutonium | William Kennedy | Edwin M. McMillan | Glenn T. Seaborg | Arthur C. Wahl | 63%
|
| Nitrogen | Daniel Rutherford | 53%
|
| Radon | Robert B. Owens | Ernest Rutherford | 53%
|
| Hydrogen | Henry Cavendish | 47%
|
| Silicon | Antoine Lavoisier | 42%
|
| Boron | Claude L. Berthollet | Antoine de Fourcroy | Antoine Lavoisier | Louis G. de Morveau | 42%
|
| Barium | Chlorine | Fluorine | +4 others | Wilhelm Scheele | 26%
|
| Yttrium | Johan Gadolin | 21%
|
| Einsteinium | Fermium | Seaborgium | Albert Ghiorso | 16%
|
| Lawrencium | Albert Ghiorso | Almon E. Larsh | Robert M. Latimer | Torbjørn Sikkeland | 16%
|
| Rutherfordium | Albert Ghiorso | Ivo Zvara | 16%
|
| Neptunium | Hauge Abelson | Edwin M. McMillan | Emilio Segrè | 16%
|
| Calcium | Magnesium | Joseph Black | 16%
|
| Nihonium | K. Morita | Yuri Oganessian | 16%
|
| Dubnium | V. A. Druin | Albert Ghiorso | 16%
|
| Flerovium | Livermorium | Moscovium | +2 others | Yuri Oganessian | 16%
|
| Vanadium | Andrés M. del Río | 11%
|
| Technetium | Carlo Perrier | Emilio Segrè | 11%
|
| Uranium | Zirconium | Heinrich Klaproth | 11%
|
| Phosphorus | Hennig Brand | 11%
|
| Thorium | Jacob Berzelius | 11%
|
| Selenium | Jacob Berzelius | Gottlieb Gahn | 11%
|
| Cerium | Jacob Berzelius | Wilhelm Hisinger | Heinrich Klaproth | 11%
|
| Copernicium | Darmstadtium | Roentgenium | Sigurd Hofmann | 11%
|
| Lithium | August Arfwedson | 5%
|
| Iodine | Bernard Courtois | 5%
|
| Praseodymium | Carl A. von Welsbach | 5%
|
| Promethium | Charles D. Coryell | Lawrence E. Glendenin | Jacob A. Marinsky | 5%
|
| Niobium | Charles Hatchett | 5%
|
| Germanium | Clemens A. Winkler | 5%
|
| Hafnium | Dirk Coster | George von Hevesy | 5%
|
| Europium | Eugène-Anatole Demarçay | 5%
|
| Indium | Ferdinand Reich | Theodor Richter | 5%
|
| Nickel | Fredrik Cronstedt | 5%
|
| Scandium | Fredrik Nilson | 5%
|
| Cobalt | George Brandt | 5%
|
| Lutetium | Georges Urbain | Carl A. von Welsbach | 5%
|
| Bohrium | Gottfried Münzenberg | 5%
|
| Tantalum | Gustaf Ekeberg | 5%
|
| Erbium | Lanthanum | Neodymium | Terbium | Gustaf Mosander | 5%
|
| Iridium | Hippolyte-Victor Collet-Descotils | Smithson Tennant | 5%
|
| Gadolinium | Ytterbium | Jean C. G. de Marignac | 5%
|
| Bromine | Jérôme Balard | Carl Löwig | 5%
|
| Ruthenium | Karl Claus | 5%
|
| Protactinium | Kazimierz Fajans | Oswald H. Göhring | 5%
|
| Holmium | Marc Delafontaine | Jacques-Louis Soret | 5%
|
| Francium | Marguerite Perey | 5%
|
| Beryllium | Chromium | Nicolas Vauquelin | 5%
|
| Helium | Norman Lockyer | 5%
|
| Rhenium | Otto Berg | Ida Noddack | Walter Noddack | 5%
|
| Dysprosium | Gallium | Samarium | Paul-Émile L. de Boisbaudran | 5%
|
| Hassium | Meitnerium | Peter Armbruster | Gottfried Münzenberg | 5%
|
| Astatine | Raymond Corson | Ross MacKenzie | 5%
|
| Cesium | Rubidium | Robert Bunsen | Robert Kirchhoff | 5%
|
| Cadmium | Samuel L. Hermann | Johan C. H. Roloff | Friedrich Stromeyer | 5%
|
| Osmium | Smithson Tennant | 5%
|
| Thulium | Teodor Cleve | 5%
|
| Thallium | William Crookes | 5%
|
| Strontium | William Cruikshank | 5%
|
| Titanium | William Gregor | 5%
|
| Palladium | Rhodium | William H. Wollaston | 5%
|
| Argon | William Ramsay | Lord Rayleigh | 5%
|
| Krypton | Neon | Xenon | William Ramsay | William Travers | 5%
|
| Aluminium | Potassium | Sodium | Andreas S. Marggraf | 0%
|
| Nobelium | E. D. Donets | V. A. Ermakov | V. A. Shchegolev | 0%
|
| Tellurium | Franz-Joseph M. von Reichenstein | 0%
|
| Actinium | Friedrich O. Giesel | 0%
|
| Antimony | Arsenic | Jabir ibn Hayyan | 0%
|