Input interpretation
alkali metals | melting point
Summary
median | 63.38 °C highest | 180.54 °C (lithium) lowest | 28.44 °C (cesium) distribution | | (based on 5 values; 1 unavailable)
Entity with missing value
francium
Plot
Plot
Melting point rankings
1 | cesium | 28.44 °C 2 | rubidium | 39.31 °C 3 | potassium | 63.38 °C 4 | sodium | 97.72 °C 5 | lithium | 180.54 °C (based on 5 values; 1 unavailable)
Unit conversions for median melting point 63.38 °C
336.53 K (kelvins)
146.1 °F (degrees Fahrenheit)
605.8 °R (degrees Rankine)
50.7 °Ré (degrees Réaumur)
40.77 °Rø (degrees Rømer)
Comparison for median melting point 63.38 °C
36.6 °C below water boiling point (at standard pressure) (99.9839 °C)
43 °C above conventional US room temperature (68 °F)
43.38 °C above temperature at STP (standard temperature and pressure), using the National Institute of Standards and Technology convention (20 °C)
Corresponding quantities
Thermodynamic energy E from E = kT: | 29 meV (millielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 727 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 2.5×10^-18 lx (lux)
Thermodynamic properties
phase at STP | all | solid melting point | median | 63.38 °C | highest | 180.54 °C (lithium) | lowest | 28.44 °C (cesium) | distribution | boiling point | median | 759 °C | highest | 1342 °C (lithium) | lowest | 671 °C (cesium) | distribution | critical temperature | median | 2223 K | highest | 3223 K (lithium) | lowest | 1938 K (cesium) | distribution | critical pressure | median | 16 MPa | highest | 67 MPa (lithium) | lowest | 9.4 MPa (cesium) | distribution | molar heat of fusion | median | 2.26 kJ/mol | highest | 3 kJ/mol (lithium) | lowest | 2 kJ/mol (francium) | distribution | molar heat of vaporization | median | 74 kJ/mol | highest | 147 kJ/mol (lithium) | lowest | 65 kJ/mol (cesium and francium) | distribution | specific heat at STP | median | 757 J/(kg K) | highest | 3570 J/(kg K) (lithium) | lowest | 242 J/(kg K) (cesium) | distribution | (properties at standard conditions)
Nearest corresponding gas marks for median melting point 63.38 °C (degrees Celsius)
| temperature | usage thermostat 2 | 60 °C | France (actual measurements may vary)