Bidhaa
| Tantalum | |
| Hatua ya kuyeyuka | 3017 ° C, 5463 ° F, 3290 K. |
| Kiwango cha kuchemsha | 5455 ° C, 9851 ° F, 5728 k |
| Wiani (g cm - 3) | 16.4 |
| Jamaa wa atomiki | 180.948 |
| Isotopu muhimu | 180ta, 181ta |
| Kama nambari | 7440-25-7 |
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Tantalum (V) oksidi (TA2O5 au tantalum pentoxide) Usafi 99.99% CAS 1314-61-0
Tantalum (v) oksidi (TA2O5 au tantalum pentoxide)ni kiwanja nyeupe, thabiti thabiti. Poda hiyo inazalishwa kwa kuweka tantalum iliyo na suluhisho la asidi, kuchuja precipitate, na kuhesabu keki ya vichungi. Mara nyingi huchomwa kwa saizi ya chembe inayofaa kukidhi mahitaji anuwai ya maombi.