Science quiz
Element groups: sort the elements one at a time
Six groups of the periodic table with a collective name, 33 elements in all. An element appears and you click its group.
- Format
- Sort into groups
- Items
- 20 to sort
- Limit
- 1:40
- Level
- Hard
- Checked
- 2026.10.03
A fresh 20 of the 33 each time. Today's first round is the same for everyone.
- Items
- 20
- Groups
- 6
- Time limit
- 1:40
- A miss
- 2 tries, then the answer is shown
- Each element appears in turn. Click its group, or press its number.
- The groups never move, so the number keys are quick.
- Skip (0) sends a prompt to the back of the queue.
- Pause whenever you like (Esc). The board hides while the clock is stopped.
Click the group each element belongs to. The groups appear when you start.
About this quiz
A sorting round built on the list behind Ribbia's Element groups: alkali metals, halogens and noble gases quiz: 33 entries in 6 groups. A miss never passes in silence: the right group is shown before the next entry.
- Each round takes 20 of the 33 elements.
- The six names are the collective names approved by IUPAC.
Sources
- [1]PubChem, National Institutes of Health. Periodic Table of Elements.
Last checked October 3, 2026
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