Atomic Properties
- Atomic Number
- 78
- Atomic Mass
- 195.0800 u
- Electron Configuration
- [Xe] 4f14 5d9 6s1
- Electronegativity
- 2.28
- Block
- d-block
- Group
- 10
- Period
- 6
Physical Properties
- Phase (STP)
- solid
- Melting Point
- 2041.40 K
- Boiling Point
- 4098.00 K
- Density
- 21.4500 g/cm³
About Platinum
Precious metal; used in catalytic converters, jewelry, and cancer drugs.
Isotopes of Platinum
Platinum has 6 naturally occurring isotopes.
| Isotope | Mass Number | Atomic Mass (u) | Abundance | Type |
|---|---|---|---|---|
| 190Pt | 190 | 189.9599297 | 0.0120% | Stable |
| 192Pt | 192 | 191.9610387 | 0.7820% | Stable |
| 194Pt | 194 | 193.9626809 | 32.86% | Stable |
| 195Pt | 195 | 194.9647917 | 33.78% | Stable |
| 196Pt | 196 | 195.9649521 | 25.21% | Stable |
| 198Pt | 198 | 197.9678949 | 7.356% | Stable |
Data source: NIH PubChem (aggregated from IUPAC, NIST)