| Year | Element | % Correct |
|---|---|---|
| 1766 | Hydrogen | 92%
|
| 1777 | Oxygen | 88%
|
| ~9000 BCE | Copper | 84%
|
| 1895 | Helium | 84%
|
| ~5000 BCE | Iron | 84%
|
| ~7000 BCE | Lead | 84%
|
| ~6000 BCE | Gold | 80%
|
| ~3750 BCE | Carbon | 72%
|
| 1821 | Lithium | 72%
|
| ~5000 BCE | Silver | 72%
|
| 1824 | Aluminium | 68%
|
| 1772 | Nitrogen | 68%
|
| ~2000 BCE | Sulfur | 68%
|
| ~3500 BCE | Tin | 68%
|
| 1841 | Uranium | 68%
|
| 1808 | Boron | 64%
|
| 1808 | Magnesium | 64%
|
| ~1500 BCE | Mercury | 64%
|
| 1807 | Sodium | 64%
|
| 1898 | Neon | 60%
|
| 1669 | Phosphorus | 60%
|
| 1823 | Silicon | 60%
|
| 1808 | Calcium | 56%
|
| 1735 | Platinum | 56%
|
| 1941 | Plutonium | 56%
|
| 1902 | Radium | 56%
|
| 1909 | Radon | 56%
|
| 1894 | Argon | 52%
|
| 1828 | Beryllium | 52%
|
| 1774 | Chlorine | 52%
|
| 1735 | Cobalt | 52%
|
| 1886 | Germanium | 52%
|
| 1811 | Iodine | 52%
|
| 1898 | Krypton | 52%
|
| 1807 | Potassium | 52%
|
| 1825 | Titanium | 52%
|
| 1797 | Chromium | 48%
|
| 1886 | Fluorine | 48%
|
| 1939 | Francium | 48%
|
| 1898 | Xenon | 48%
|
| 1875 | Gallium | 44%
|
| 1751 | Nickel | 44%
|
| 1867 | Vanadium | 44%
|
| ~815 CE | Arsenic | 40%
|
| ~1000 | Bismuth | 40%
|
| 1944 | Curium | 40%
|
| 1952 | Einsteinium | 40%
|
| 1774 | Manganese | 40%
|
| 1902 | Polonium | 40%
|
| 1861 | Rubidium | 40%
|
| 1879 | Scandium | 40%
|
| 1783 | Tungsten | 40%
|
| 1907 | Ytterbium | 40%
|
| ~1000 BCE | Zinc | 40%
|
| 1944 | Americium | 36%
|
| 1808 | Barium | 36%
|
| 1825 | Bromine | 36%
|
| 1950 | Californium | 36%
|
| 1940 | Neptunium | 36%
|
| 2002 | Oganesson | 36%
|
| 1804 | Rhodium | 36%
|
| ~815 CE | Antimony | 32%
|
| 1949 | Berkelium | 32%
|
| 1882 | Caesium | 32%
|
| 1901 | Europium | 32%
|
| 1802 | Palladium | 32%
|
| 1879 | Erbium | 28%
|
| 1952 | Fermium | 28%
|
| 1867 | Indium | 28%
|
| 1955 | Mendelevium | 28%
|
| 1844 | Ruthenium | 28%
|
| 1969 | Rutherfordium | 28%
|
| 1974 | Seaborgium | 28%
|
| 1817 | Selenium | 28%
|
| 1808 | Strontium | 28%
|
| 1885 | Thorium | 28%
|
| 1903 | Actinium | 24%
|
| 1940 | Astatine | 24%
|
| 1981 | Bohrium | 24%
|
| 1817 | Cadmium | 24%
|
| 1999 | Flerovium | 24%
|
| 1842 | Lanthanum | 24%
|
| 1803 | Osmium | 24%
|
| 1928 | Rhenium | 24%
|
| 1802 | Tantalum | 24%
|
| 2009 | Tennessine | 24%
|
| 1886 | Terbium | 24%
|
| 1843 | Yttrium | 24%
|
| 1994 | Darmstadtium | 20%
|
| 1886 | Gadolinium | 20%
|
| 1803 | Iridium | 20%
|
| 1961 | Lawrencium | 20%
|
| 2000 | Livermorium | 20%
|
| 1906 | Lutetium | 20%
|
| 2003 | Moscovium | 20%
|
| 1864 | Niobium | 20%
|
| 1945 | Promethium | 20%
|
| 1927 | Protactinium | 20%
|
| 1879 | Samarium | 20%
|
| 1782 | Tellurium | 20%
|
| 1875 | Cerium | 16%
|
| ~1950 | Dysprosium | 16%
|
| 1922 | Hafnium | 16%
|
| 1984 | Hassium | 16%
|
| 1879 | Holmium | 16%
|
| 1885 | Neodymium | 16%
|
| 2004 | Nihonium | 16%
|
| 1966 | Nobelium | 16%
|
| 1885 | Praseodymium | 16%
|
| 1937 | Technetium | 16%
|
| 1862 | Thallium | 16%
|
| 1996 | Copernicium | 12%
|
| 1970 | Dubnium | 12%
|
| 1982 | Meitnerium | 12%
|
| 1879 | Thulium | 12%
|
| 1824 | Zirconium | 12%
|
| 1781 | Molybdenum | 8%
|
| 1994 | Roentgenium | 8%
|