tantalum-boride powder
1Samarium — promethium ← samarium → europium ↑ Sm ↓ …
2boron — boronic /boh ron ik, baw , beuh /, adj. /bawr on, bohr /, n. Chem. a nonmetallic element occurring naturally only in combination, as in borax or boric acid, and obtained in either an amorphous or a crystalline form when reduced from its compounds …
3Indium — Not to be confused with Iridium. cadmium ← indium → tin Ga ↑ In ↓ Tl …
