| President(s) | Element | % Correct |
|---|---|---|
| Harding, Harrison, Hayes, Hoover | Hydrogen | 73%
|
| Carter, Cleveland, Clinton, Coolidge | Carbon | 71%
|
| Biden, Buchanan, Bush | Boron | 69%
|
| Obama | Oxygen | 68%
|
| Carter | Calcium | 64%
|
| Nixon | Nitrogen | 61%
|
| Lincoln | Lithium | 57%
|
| Washington, Wilson | Tungsten | 56%
|
| Biden | Bismuth | 53%
|
| Kennedy | Potassium | 53%
|
| Arthur | Argon | 52%
|
| Cleveland, Clinton | Chlorine | 49%
|
| Fillmore, Ford | Fluorine | 49%
|
| Nixon | Nickel | 49%
|
| Pierce, Polk | Phosphorus | 49%
|
| Coolidge | Cobalt | 48%
|
| Polk | Polonium | 44%
|
| Van Buren | Vanadium | 32%
|
| Garfield | Gallium | 31%
|
| Reagan | Rhenium | 27%
|
| Monroe | Molybdenum | 21%
|
| Taft, Taylor | Tantalum | 21%
|
| McKinley | Moscovium | 7%
|