Slow down on the tricky ones; speed comes with reps.
Rules & what counts
Click the Elements — Rules & What Counts
We name an element, you click its tile on the periodic table. No symbols or spelling — this mode tests whether you know the table's geography: where the elements actually live.
Groups and periods are your map. Knowing that iodine is a halogen puts you one column-scan away from the right tile.
How to play
The element to find is shown at the top — click its tile on the table to score it.
Wrong clicks are remembered, so read the neighborhood before you commit.
Elements come in random order; give up at any time to reveal the rest.
What counts in this quiz
All 118 elements are in play — every tile from hydrogen to oganesson is clickable.
Good to know
J and Q are the only letters of the alphabet that appear in no element symbol — every other letter shows up somewhere on the table.
Four elements are named after one tiny Swedish village: yttrium, terbium, erbium, and ytterbium all honor Ytterby, where the mineral containing them was first dug up.
Tungsten's symbol is W for its German name, Wolfram — one of several symbols taken from older names, like Ag for silver (argentum) and Pb for lead (plumbum).
Oganesson is one of only two elements named after a person who was alive at the time: Russian physicist Yuri Oganessian. The other is seaborgium, honoring Glenn Seaborg.