What's the Correct Order? | Choices |
1. (Over 10,000 years ago) | Gallium |
2. (Albertus Magnus) | Copper |
3. (1669) | Arsenic |
4. (Shared credit) | Oxygen |
5. (Davy) | Phosphorus |
6. (Oersted ) | Bohrium |
7. (Lecoq de Boisbaudran) | Tennessine |
8. (USA) | Potassium |
9. (Synthetic) | Plutonium |
10. (2009) | Aluminium |