Input interpretation
top 18 elements | by period
Result
1 | tennessine | 7 | 2 | oganesson | 7 | 3 | nihonium | 7 | 4 | moscovium | 7 | 5 | livermorium | 7 | 6 | flerovium | 7 | 7 | copernicium | 7 | 8 | uranium | 7 | 9 | thorium | 7 | 10 | seaborgium | 7 | ⋮ | | |
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
atomic symbol | all | Cn | Fl | Lv | Mc | Md | Nh | No | Np | Og | Pa | Pu | Ra | Rf | Rg | Sg | Th | Ts | U atomic number | median | 105 | highest | 118 (oganesson) | lowest | 88 (radium) | distribution | block | all | d | f | p | s group | all | 2 | 4 | 6 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 period | all | 7 atomic mass | median | 268 u | highest | 294 u (oganesson) | lowest | 226 u (radium) | distribution | half-life | median | 140 min | highest | 14.06 Gyr (thorium) | lowest | 5 ms (oganesson) | distribution |
Thermodynamic properties
phase at STP | all | solid melting point | median | 827 °C | highest | 1750 °C (thorium) | lowest | 640 °C (plutonium) | distribution | boiling point | median | 3963 °C | highest | 4820 °C (thorium) | lowest | 1737 °C (radium) | distribution | molar heat of fusion | median | 14 kJ/mol | highest | 16 kJ/mol (thorium) | lowest | 8 kJ/mol (radium) | distribution | molar heat of vaporization | median | 377 kJ/mol | highest | 530 kJ/mol (thorium) | lowest | 125 kJ/mol (radium) | distribution | specific heat at STP | median | 108 J/(kg K) | highest | 118 J/(kg K) (thorium) | lowest | 92 J/(kg K) (radium) (properties at standard conditions)
Material properties
density | median | 17.21 g/cm^3 | highest | 20.45 g/cm^3 (neptunium) | lowest | 5 g/cm^3 (radium) | distribution | molar volume | median | 13.763 cm^3/mol | highest | 45 cm^3/mol (radium) | lowest | 11.6 cm^3/mol (neptunium) Vickers hardness | all | 350 MPa | 1960 MPa Brinell hardness | all | 400 MPa | 2400 MPa shear modulus | median | 43 GPa | highest | 111 GPa (uranium) | lowest | 31 GPa (thorium) Young's modulus | median | 96 GPa | highest | 208 GPa (uranium) | lowest | 79 GPa (thorium) Poisson ratio | all | 0.21 | 0.23 | 0.27 ultimate tensile strength | all | 219 MPa | 400 MPa sound speed | median | 2490 m/s | highest | 3155 m/s (uranium) | lowest | 2260 m/s (plutonium) thermal conductivity | median | 23 W/(m K) | highest | 54 W/(m K) (thorium) | lowest | 6 W/(m K) (plutonium and neptunium) | distribution | (properties at standard conditions)
Electromagnetic properties
resistivity | median | 6.4×10^-7 Ω m (ohm meters) | highest | 1.5×10^-6 Ω m (ohm meters) (plutonium) | lowest | 1.5×10^-7 Ω m (ohm meters) (thorium) | distribution | electrical conductivity | median | 2.3×10^6 S/m (siemens per meter) | highest | 6.7×10^6 S/m (siemens per meter) (thorium) | lowest | 670000 S/m (siemens per meter) (plutonium) | distribution | volume magnetic susceptibility | median | 4.55×10^-4 | highest | 6.282×10^-4 (plutonium) | lowest | 8.4×10^-5 (thorium) | distribution | mass magnetic susceptibility | median | 2.67×10^-8 m^3/kg (cubic meters per kilogram) | highest | 3.25×10^-8 m^3/kg (cubic meters per kilogram) (protactinium) | lowest | 7.2×10^-9 m^3/kg (cubic meters per kilogram) (thorium) | distribution | molar magnetic susceptibility | median | 6.32×10^-9 m^3/mol (cubic meters per mole) | highest | 7.735×10^-9 m^3/mol (cubic meters per mole) (plutonium) | lowest | 1.7×10^-9 m^3/mol (cubic meters per mole) (thorium) | distribution | work function | all | 3.4 eV | (3.63 to 3.9) eV superconducting point | median | 1.38 K (kelvins) | highest | 1.4 K (kelvins) (protactinium) | lowest | 0.68 K (kelvins) (uranium)
Reactivity
valence | median | 4.5 | highest | 6 (4 elements) | lowest | 2 (radium) | distribution | electronegativity | median | 1.3 | highest | 1.5 (protactinium) | lowest | 0.9 (radium) | distribution | first ionization energy | median | 592 kJ/mol (kilojoules per mole) | highest | 642 kJ/mol (kilojoules per mole) (nobelium) | lowest | 509.3 kJ/mol (kilojoules per mole) (radium) | distribution |
Atomic properties
term symbol | all | ^1S_0 | ^2F_(7/2) | ^2P_(1/2) | ^2P_(3/2) | ^2S_(1/2) | ^3F_2 | ^3P_0 | ^3P_2 | ^4K_(11/2) | ^4S_(3/2) | ^5D_0 | ^5L_6 | ^6L_(11/2) | ^7F_0 atomic radius | median | 178 pm | highest | 215 pm (radium) | lowest | 175 pm (3 elements) | distribution | covalent radius | median | 198 pm | highest | 221 pm (radium) | lowest | 187 pm (plutonium) | distribution | (electronic ground state properties)
Abundances
solar abundance | median | 0 mass% | highest | 1×10^-7 mass% (uranium) | lowest | 0 mass% (14 elements) | distribution | meteorite abundance | median | 0 mass% | highest | 3.9×10^-6 mass% (thorium) | lowest | 0 mass% (14 elements) crust abundance | median | 0 mass% | highest | 6×10^-4 mass% (thorium) | lowest | 0 mass% (14 elements) ocean abundance | median | 0 mass% | highest | 3.3×10^-7 mass% (uranium) | lowest | 0 mass% (14 elements) human abundance | median | 0 mass% | highest | 1×10^-7 mass% (uranium) | lowest | 0 mass% (16 elements) solar molar abundance | median | 0 mol% | highest | 4×10^-10 mol% (uranium) | lowest | 0 mol% (14 elements) | distribution | meteorite molar abundance | median | 0 mol% | highest | 3×10^-7 mol% (thorium) | lowest | 0 mol% (14 elements) | distribution | ocean molar abundance | median | 0 mol% | highest | 5×10^-6 mol% (protactinium) | lowest | 0 mol% (14 elements) | distribution | crust molar abundance | median | 0 mol% | highest | 5.4×10^-5 mol% (thorium) | lowest | 0 mol% (14 elements) | distribution | human molar abundance | median | 0 mol% | highest | 3×10^-6 mol% (radium) | lowest | 0 mol% (16 elements)
Nuclear properties
half-life | median | 140 min | highest | 14.06 Gyr (thorium) | lowest | 5 ms (oganesson) | distribution | lifetime | median | 4.2 h | highest | 20.28 Gyr (thorium) | lowest | 7 ms (oganesson) | distribution | specific radioactivity | highest | 2.926×10^11 TBq/g (oganesson) | lowest | 4.057 kBq/g (thorium) | median | 170064 TBq/g neutron cross-section | median | 10 b | highest | 200 b (protactinium) | lowest | 1.7 b (plutonium) | distribution |