SCANDIUM
| Date | Clue |
|---|---|
| 2019-08-09 | Rare-earth element named after where it was discovered |
| 2017-08-27 | Metallic element that's #21 on the periodic table |
| Date | Clue |
|---|---|
| 2019-08-09 | Rare-earth element named after where it was discovered |
| 2017-08-27 | Metallic element that's #21 on the periodic table |