Input interpretation
![group 18 elements | melting point](../image_source/503659628f3503f33b531ae12c45ee74.png)
group 18 elements | melting point
Summary
![median | -157.36 °C highest | -71 °C (radon) lowest | -248.59 °C (neon) distribution | | (based on 5 values; 2 unavailable)](../image_source/4c0fe97c0a4c31423eb2210c6bc13d06.png)
median | -157.36 °C highest | -71 °C (radon) lowest | -248.59 °C (neon) distribution | | (based on 5 values; 2 unavailable)
Entities with missing values
![helium | oganesson (total: 2)](../image_source/51da8e499bacad28541da4b8e0d7e33b.png)
helium | oganesson (total: 2)
Plot
![Plot](../image_source/229adcaa1418dd04aacfd730b684af7c.png)
Plot
Melting point rankings
![1 | neon | -248.59 °C 2 | argon | -189.3 °C 3 | krypton | -157.36 °C 4 | xenon | -111.8 °C 5 | radon | -71 °C (based on 5 values; 2 unavailable)](../image_source/770c2d593d8fac58192c3da7edf24879.png)
1 | neon | -248.59 °C 2 | argon | -189.3 °C 3 | krypton | -157.36 °C 4 | xenon | -111.8 °C 5 | radon | -71 °C (based on 5 values; 2 unavailable)
Unit conversions for median melting point -157.36 °C
![115.79 K (kelvins)](../image_source/0d92939891dd7401e13ce5c8c12fe1ab.png)
115.79 K (kelvins)
![-251.25 °F (degrees Fahrenheit)](../image_source/10a67b462b36772334eb3957ae3c5c71.png)
-251.25 °F (degrees Fahrenheit)
![208.42 °R (degrees Rankine)](../image_source/fa5d516f39a0a37f90592152039d31f0.png)
208.42 °R (degrees Rankine)
![-125.89 °Ré (degrees Réaumur)](../image_source/a35c20ea3c0aa6ab6d103e689b977596.png)
-125.89 °Ré (degrees Réaumur)
![-75.114 °Rø (degrees Rømer)](../image_source/46d8b9516d8033b49d936099d9b1dfa4.png)
-75.114 °Rø (degrees Rømer)
Comparison for median melting point -157.36 °C
![22 °C below Hg-Tl-Ba-Ca-Cu-oxide superconducting temperature (138 K)](../image_source/b7fa0df5c71c8d96fb015263dcdb0f81.png)
22 °C below Hg-Tl-Ba-Ca-Cu-oxide superconducting temperature (138 K)
![9 °C below Tl-Ba-Cu-oxide superconducting temperature (125 K)](../image_source/20280d289be6fd569126b248bbe939a6.png)
9 °C below Tl-Ba-Cu-oxide superconducting temperature (125 K)
![25.5 °C above boiling point of oxygen (-182.9 °C)](../image_source/1c3973685313839a9fbf38c863174ca1.png)
25.5 °C above boiling point of oxygen (-182.9 °C)
Corresponding quantities
![Thermodynamic energy E from E = kT: | 10 meV (millielectronvolts)](../image_source/97475c6b80ea257afc1a277ad1a2e57a.png)
Thermodynamic energy E from E = kT: | 10 meV (millielectronvolts)
![Blackbody energy flux Φ from Φ = σT^4: | 10 W/m^2 (watts per square meter)](../image_source/95fc7250f32feb8744a2195a68651fe2.png)
Blackbody energy flux Φ from Φ = σT^4: | 10 W/m^2 (watts per square meter)
![Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 5.1×10^-65 lx (lux)](../image_source/2c61b9082f8c1bdc3bcb1c67f8ab0cfd.png)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 5.1×10^-65 lx (lux)
Thermodynamic properties
![phase at STP | all | gas melting point | median | -157.36 °C | highest | -71 °C (radon) | lowest | -248.59 °C (neon) | distribution | boiling point | median | -169.5 °C | highest | -61.7 °C (radon) | lowest | -268.93 °C (helium) | distribution | critical temperature | median | 180.14 K | highest | 377 K (radon) | lowest | 5.19 K (helium) | distribution | critical pressure | median | 5.2 MPa | highest | 6.28 MPa (radon) | lowest | 0.227 MPa (helium) | distribution | molar heat of fusion | median | 1.41 kJ/mol | highest | 3 kJ/mol (radon) | lowest | 0.02 kJ/mol (helium) | distribution | molar heat of vaporization | median | 7.8 kJ/mol | highest | 17 kJ/mol (radon) | lowest | 0.083 kJ/mol (helium) | distribution | specific heat at STP | median | 384.19 J/(kg K) | highest | 5193.1 J/(kg K) (helium) | lowest | 93.65 J/(kg K) (radon) | distribution | adiabatic index | all | 5/3 (properties at standard conditions)](../image_source/e76627c8aae7608c149bb16b12c8ce74.png)
phase at STP | all | gas melting point | median | -157.36 °C | highest | -71 °C (radon) | lowest | -248.59 °C (neon) | distribution | boiling point | median | -169.5 °C | highest | -61.7 °C (radon) | lowest | -268.93 °C (helium) | distribution | critical temperature | median | 180.14 K | highest | 377 K (radon) | lowest | 5.19 K (helium) | distribution | critical pressure | median | 5.2 MPa | highest | 6.28 MPa (radon) | lowest | 0.227 MPa (helium) | distribution | molar heat of fusion | median | 1.41 kJ/mol | highest | 3 kJ/mol (radon) | lowest | 0.02 kJ/mol (helium) | distribution | molar heat of vaporization | median | 7.8 kJ/mol | highest | 17 kJ/mol (radon) | lowest | 0.083 kJ/mol (helium) | distribution | specific heat at STP | median | 384.19 J/(kg K) | highest | 5193.1 J/(kg K) (helium) | lowest | 93.65 J/(kg K) (radon) | distribution | adiabatic index | all | 5/3 (properties at standard conditions)