Discover every concept below to complete the Chemical Elements collection.
| Rank | Board | DiscoveredMost discovered first The number of discovered concepts in this collection. | ComplexityThen lowest complexity The sum of complexities of all discovered concepts in this collection. |
|---|---|---|---|
| 1 | 28/28Number of concepts in the collection | 168 | |
| 2 | 28/28Number of concepts in the collection | 168 | |
| 3 | 28/28Number of concepts in the collection | 169 | |
| #4 | 28/28Number of concepts in the collection | 169 | |
| #5 | 28/28Number of concepts in the collection | 206 | |
| #6 | 28/28Number of concepts in the collection | 227 | |
| #7 | 28/28Number of concepts in the collection | 228 | |
| #8 | 28/28Number of concepts in the collection | 307 | |
| #9 | 28/28Number of concepts in the collection | 860 | |
| #10 | 28/28Number of concepts in the collection | 865 | |
| #11 | 28/28Number of concepts in the collection | 1,124 | |
| #12 | 28/28Number of concepts in the collection | 1,262 | |
| #13 | 28/28Number of concepts in the collection | 1,456 | |
| #14 | 26/28Number of concepts in the collection | 155 | |
| #15 | 25/28Number of concepts in the collection | 295 |
The Chemical Elements collection contains 28 concepts to discover and complete in Concepts, including Argon, Beryllium, Boron, Calcium, Carbon, Chlorine, and 22 more.
The Chemical Elements collection is defined in chemical-elements.json in the open-source collections repository.