Input interpretation
radioactive elements | melting point
Summary
median | 1050 °C highest | 2157 °C (technetium) lowest | -71 °C (radon) distribution | | (based on 21 values; 16 unavailable)
Entities with missing values
bohrium | copernicium | darmstadtium | dubnium | francium | hassium | meitnerium | roentgenium | rutherfordium | seaborgium | ... (total: 16)
Plot
Plot
Distribution plots
(melting point in degrees Celsius)
Melting point rankings
1 | radon | -71 °C 2 | polonium | 254 °C 3 | astatine | 302 °C 4 | plutonium | 640 °C 5 | neptunium | 644 °C 6 | radium | 700 °C 7 | nobelium | 827 °C 8 | mendelevium | 827 °C 9 | einsteinium | 860 °C 10 | californium | 900 °C ⋮ | | 11 | berkelium | 1050 °C 12 | actinium | 1050 °C 13 | promethium | 1100 °C 14 | uranium | 1135 °C 15 | americium | 1176 °C 16 | curium | 1345 °C 17 | fermium | 1527 °C 18 | protactinium | 1572 °C 19 | lawrencium | 1627 °C 20 | thorium | 1750 °C 21 | technetium | 2157 °C (based on 21 values; 16 unavailable)
Unit conversions for median melting point 1050 °C
1323 K (kelvins)
1922 °F (degrees Fahrenheit)
2382 °R (degrees Rankine)
840 °Ré (degrees Réaumur)
558.7 °Rø (degrees Rømer)
Comparison for median melting point 1050 °C
250 °C below to 350 °C above typical temperature of magma (700 to 1300 °C)
150 °C above large log fire temperature (1170 K)
Blackbody information for median melting point 1050 °C (degrees Celsius)
perceived color | peak wavelength | 2.19 µm (micrometers) peak frequency | 77.79 THz (terahertz)
Corresponding quantities
Thermodynamic energy E from E = kT: | 11 ceV (centielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 173799 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 2813 lx (lux)
Thermodynamic properties
phase at STP | all | gas | solid melting point | median | 1050 °C | highest | 2157 °C (technetium) | lowest | -71 °C (radon) | distribution | boiling point | median | 3200 °C | highest | 4820 °C (thorium) | lowest | -61.7 °C (radon) | distribution | molar heat of fusion | median | 12 kJ/mol | highest | 23 kJ/mol (technetium) | lowest | 2 kJ/mol (francium) | distribution | molar heat of vaporization | median | 325 kJ/mol | highest | 550 kJ/mol (technetium) | lowest | 17 kJ/mol (radon) | distribution | specific heat at STP | median | 99.1 J/(kg K) | highest | 120 J/(kg K) (actinium) | lowest | 63 J/(kg K) (technetium) | distribution | (properties at standard conditions)