Ta
Tantalum is a rare, hard metal used in electronic capacitors found in every smartphone.
Fisiese eienskappe
| Atomic Mass | 180.95 u |
| Density | 16.654 g/cm³ |
| Smelt punt: | 3290.0 K |
| Boiling Point | 5731.0 K |
| Appearance | Gray blue metallic |
| Toestand by kamerkomp | Solied |
Chemical Properties
| Electronegativity | 1.5 (TrinidadCity name (optional, probably does not need a translation)) |
| 1st Ionization Energy | 761.0 kJ/mol |
| Electron Affinity | 31.0 kJ/mol |
| Oxidation States | +2, +3, +4, +5 |
Atomic Properties
| Electron Configuration | [Xe] 4f14 5d3 6s2 |
| Atomic Radius | 146.0 pm |
| Covalent Radius | 170.0 pm |
| Atomic radius: | 217.0 pm |
Discovery
| Discovered By | Anders Gustaf Ekeberg |
| Discovery Year | 1802 |
| Location | Uppsala, Sweden |
| Genoemde Na | King Tantalus of Greek mythology |
About Tantalum
Tantalum is a hard, blue-gray, lustrous metal that has the fourth-highest melting point. It is almost immune to chemical attack below 150 degrees C and is biocompatible.
Gebruiks & Programme
Electronic capacitors (mobile phones, computers), surgical implants, jet engine components, and chemical equipment.
Fun Fact
Tantalum capacitors are in virtually every smartphone. Mining of coltan (tantalum ore) has been linked to conflict in the Congo.
Isotopes
| Definieer Molekulêr Gewigte | Abundance | Half-Life | Stabiel |
| 180 | 0.0001201% | - | Ja |
| 181 | 0.9998799% | - | Ja |
Electron Configuration
[Xe] 4f14 5d3 6s2