Paladium (Pd)
Paladium is the chemical element with atomic number 46 and symbol Pd. It is a logam transisi in period 5, group 10, with a standard atomic weight of 106.42 u.
Fakta utama
- Z
- 46
- Atomic weight
- 106.42 u
- Category
- logam transisi
- State at 298 K
- Solid
- Occurrence
- primordial
- Discovered
- 1803
- CAS
- 7440-05-3
Sifat terukur
| Property | Value | Source |
|---|---|---|
| Electronegativity | 2.2 | National Center for Biotechnology Information (NIH) |
| Melting point | 1,828.05 K | National Center for Biotechnology Information (NIH) |
| Boiling point | 3,236 K | National Center for Biotechnology Information (NIH) |
| Density stp | 12 g/cm³ | National Center for Biotechnology Information (NIH) |
| Atomic radius empirical | 202 pm | National Center for Biotechnology Information (NIH) |
| Ionization energy 1st | 804.4 kJ/mol | National Center for Biotechnology Information (NIH) |
| Electron affinity | 53.7 kJ/mol | National Center for Biotechnology Information (NIH) |
Konfigurasi elektron
- Noble gas notation
- [Kr] 4d¹⁰
- Full notation
- 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰
- Electrons per shell
- 2, 8, 18, 18