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- 🇬🇧 Neptunium
- 🇺🇦 Нептуній
- 🇨🇳 錼
- 🇳🇱 Neptunium
- 🇫🇷 Neptunium
- 🇩🇪 Neptunium
- 🇮🇱 נפטוניום
- 🇮🇹 Nettunio
- 🇯🇵 ネプツニウム
- 🇵🇹 Neptúnio
- 🇪🇸 Neptunio
- 🇸🇪 Neptunium
- 🇷🇺 Нептуний
Density properties
- density of the chemical elements displayed on a miniature periodic tableDensity of solid: 20450 kg m‑3
- molar volume of the chemical elements displayed on a miniature periodic tableMolar volume: 11.59 cm3
Elastic properties
- Young's modulus of the chemical elements displayed on a miniature periodic tableYoung's modulus: (no data) GPa
- Rigidity modulus of the chemical elements displayed on a miniature periodic tableRigidity modulus: (no data) GPa
- bulk modulus of the chemical elements displayed on a miniature periodic tableBulk modulus: (no data) GPa
- Poisson's ratio of the chemical elements displayed on a miniature periodic tablePoisson's ratio: (no data) (no units)
Hardnesses
- mineral hardness of the chemical elements displayed on a miniature periodic tableMineral hardness: (no data) (no units)
- Brinell hardness of the chemical elements displayed on a miniature periodic tableBrinell hardness: (no data) MN m-2
- Vickers hardness of the chemical elements displayed on a miniature periodic tableVickers hardness: (no data) MN m-2
(追記) (追記ここまで)
Electrical properties
- electrical resistivity of the chemical elements displayed on a miniature periodic tableElectrical resistivity: 120 × 10‑8 Ω m; or mΩ cm
Heat and conduction
- Thermal conductivity of the chemical elements on a miniature periodic table spark tableThermal conductivity: 6 W m‑1 K‑1
- coefficient of linear expansion of the chemical elements displayed on a miniature periodic tableCoefficient of linear thermal expansion: (no data) × 10‑6 K‑1
Optical properties
- reflectivity of the chemical elements displayed on a miniature periodic tableReflectivity: (no data) %
- refractive index of the chemical elements displayed on a miniature periodic tableRefractive index: (no data) (no units)