| Hint | Answer | % Correct |
|---|---|---|
| The most common element in the universe | Hydrogen | 100%
|
| The only liquid metal | Mercury | 98%
|
| The only element beginning with the letter X, or with an X for its chemical symbol | Xenon | 82%
|
| Element with the highest presence in the human body | Oxygen | 78%
|
| The only element beginning with the letter V, or with a V for its chemical symbol | Vanadium | 71%
|
| The only radioactive gas | Radon | 64%
|
| The only liquid non-metal | Bromine | 56%
|
| Element with the lowest boiling point | Helium | 47%
|
| The metal with the highest melting point | Tungsten | 38%
|
| The first element alphabetically by name and chemical symbol | Actinium | 33%
|
| Element with the highest melting point | Carbon | 31%
|
| The densest naturally occurring element | Osmium | 27%
|
| The most electronegative element | Fluorine | 24%
|
| The most radioactive element | Polonium | 22%
|
| The element with the highest atomic radii | Caesium | 11%
|
| The rarest naturally occurring element in the Earth's crust | Astatine | 9%
|