Pd
Palladium can absorb up to 900 times its own volume of hydrogen gas.
Physical Properties
| পদাৰ্থ | 106.42 u |
| ঘনত্ব | 12.02 g/cm³ |
| Melting Point | 1828.05 K |
| উত্তাপৰ বিন্দু | 3236.0 K |
| আকৃতি | Silvery-white metallic |
| State at Room Temp | Solid |
রাসায়নিক বৈশিষ্ট্যসমূহ
| ইলেকট্ৰোনেজেটিভিটি | 2.2 (Pauling) |
| 1- তম আইনাইজেশন শক্তি | 804.4 kJ/mol |
| ইলেকট্ৰন | 53.7 kJ/mol |
| Oxidation States | +2, +4 |
প্ৰমাণপত্ৰৰ বৈশিষ্ট্য
| ইলেকট্ৰন | [Kr] 4d10 |
| পৰমাণু | 137.0 pm |
| কোভালেন্ট বেৰিয়াড | 139.0 pm |
| Van der Waals Radius | 163.0 pm |
ডিস্কভাৰী
| আবিষ্কাৰ কৰা হৈছে | William Hyde Wollaston |
| আবিষ্কাৰৰ বছৰ | 1803 |
| অৱস্থান | London, England |
| Named After | Named after the asteroid Pallas |
বিষয়ে Palladium
Palladium is a rare, lustrous, silvery-white metal with the unusual ability to absorb up to 900 times its volume of hydrogen. It has the lowest melting point and density of the platinum group metals. It has an anomalous electron configuration with no 5s electrons.
Uses & Applications
Catalytic converters, electronics, dentistry, jewelry (white gold alloy), and hydrogen purification.
মজা কথা
Palladium can absorb 900 times its own volume of hydrogen gas, acting like a metallic sponge at the atomic level.
আইসোটোপ
| Mass Number | অভাৱ | হাফ-লাইফ | Stable |
| 104 | 0.1114% | - | Yes |
| 105 | 0.2233% | - | Yes |
| 106 | 0.2733% | - | Yes |
| 108 | 0.2646% | - | Yes |
ইলেকট্ৰন
[Kr] 4d10