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