Input interpretation
![halogens | melting point](../image_source/7877fe930004fe32ae15f03e7de9f09e.png)
halogens | melting point
Summary
![median | -7.3 °C highest | 302 °C (astatine) lowest | -219.6 °C (fluorine) distribution | | (based on 5 values; 1 unavailable)](../image_source/fba1daff069b1250c64cf3b900e924ec.png)
median | -7.3 °C highest | 302 °C (astatine) lowest | -219.6 °C (fluorine) distribution | | (based on 5 values; 1 unavailable)
Entity with missing value
![tennessine](../image_source/c38c922a9a02235fb3646a158064d35c.png)
tennessine
Plot
![Plot](../image_source/acd9bf4f218dd2a9a48b4d57cec1d029.png)
Plot
Melting point rankings
![1 | fluorine | -219.6 °C 2 | chlorine | -101.5 °C 3 | bromine | -7.3 °C 4 | iodine | 113.7 °C 5 | astatine | 302 °C (based on 5 values; 1 unavailable)](../image_source/b9d1bf5b3a8aae801f12c7f958c056d7.png)
1 | fluorine | -219.6 °C 2 | chlorine | -101.5 °C 3 | bromine | -7.3 °C 4 | iodine | 113.7 °C 5 | astatine | 302 °C (based on 5 values; 1 unavailable)
Unit conversions for median melting point -7.3 °C
![265.8 K (kelvins)](../image_source/c173a3f77863f8c42a8d9daadd69ef39.png)
265.8 K (kelvins)
![19 °F (degrees Fahrenheit)](../image_source/b9269a94e19c3f63a0901adfd02df6fb.png)
19 °F (degrees Fahrenheit)
![479 °R (degrees Rankine)](../image_source/b8c8403e723a0da16ffedf7b40f0b0df.png)
479 °R (degrees Rankine)
![-5.8 °Ré (degrees Réaumur)](../image_source/136f17e16d7e8368b984ed221891c647.png)
-5.8 °Ré (degrees Réaumur)
![3.7 °Rø (degrees Rømer)](../image_source/db63f762e5842145eb4884111222d74e.png)
3.7 °Rø (degrees Rømer)
Comparison for median melting point -7.3 °C
![22 °C below temperature at STP (standard temperature and pressure), using the convention of European and South American natural gas companies (15 °C)](../image_source/6fe1a3fdec723003c91b1235a0e211ec.png)
22 °C below temperature at STP (standard temperature and pressure), using the convention of European and South American natural gas companies (15 °C)
![7.3 °C below temperature at STP (standard temperature and pressure), using the International Union of Pure and Applied Chemistry convention (0 °C)](../image_source/47849418808e37a1dd52942c97165094.png)
7.3 °C below temperature at STP (standard temperature and pressure), using the International Union of Pure and Applied Chemistry convention (0 °C)
![10 °C above temperature of the ice/salt mixture defining the zero point of the Fahrenheit temperature scale (0 °F)](../image_source/7ac176d117c2deb4f526da34fbcbb62a.png)
10 °C above temperature of the ice/salt mixture defining the zero point of the Fahrenheit temperature scale (0 °F)
Corresponding quantities
![Thermodynamic energy E from E = kT: | 23 meV (millielectronvolts)](../image_source/5a5bf3e950ee37e128fed857485e8e9b.png)
Thermodynamic energy E from E = kT: | 23 meV (millielectronvolts)
![Blackbody energy flux Φ from Φ = σT^4: | 283 W/m^2 (watts per square meter)](../image_source/cf2895ff1642fbc67808791ffd550a52.png)
Blackbody energy flux Φ from Φ = σT^4: | 283 W/m^2 (watts per square meter)
![Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 4.4×10^-25 lx (lux)](../image_source/c551b189a4667f0921134d093939394a.png)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 4.4×10^-25 lx (lux)
Thermodynamic properties
![phase at STP | all | gas | liquid | solid melting point | median | -7.3 °C | highest | 302 °C (astatine) | lowest | -219.6 °C (fluorine) | distribution | boiling point | median | 12 °C | highest | 184.3 °C (iodine) | lowest | -188.12 °C (fluorine) | distribution | critical temperature | median | 502 K | highest | 819 K (iodine) | lowest | 144.13 K (fluorine) | distribution | critical pressure | median | 9.166 MPa | highest | 11.7 MPa (iodine) | lowest | 5.172 MPa (fluorine) | distribution | molar heat of fusion | median | 5.8 kJ/mol | highest | 7.76 kJ/mol (iodine) | lowest | 0.26 kJ/mol (fluorine) | distribution | molar heat of vaporization | median | 14.8 kJ/mol | highest | 40 kJ/mol (astatine) | lowest | 3.27 kJ/mol (fluorine) | distribution | specific heat at STP | median | 651 J/(kg K) | highest | 947.3 J/(kg K) (bromine) | lowest | 429 J/(kg K) (iodine) (properties at standard conditions)](../image_source/37a8d90d008426fab2acb2f911a50516.png)
phase at STP | all | gas | liquid | solid melting point | median | -7.3 °C | highest | 302 °C (astatine) | lowest | -219.6 °C (fluorine) | distribution | boiling point | median | 12 °C | highest | 184.3 °C (iodine) | lowest | -188.12 °C (fluorine) | distribution | critical temperature | median | 502 K | highest | 819 K (iodine) | lowest | 144.13 K (fluorine) | distribution | critical pressure | median | 9.166 MPa | highest | 11.7 MPa (iodine) | lowest | 5.172 MPa (fluorine) | distribution | molar heat of fusion | median | 5.8 kJ/mol | highest | 7.76 kJ/mol (iodine) | lowest | 0.26 kJ/mol (fluorine) | distribution | molar heat of vaporization | median | 14.8 kJ/mol | highest | 40 kJ/mol (astatine) | lowest | 3.27 kJ/mol (fluorine) | distribution | specific heat at STP | median | 651 J/(kg K) | highest | 947.3 J/(kg K) (bromine) | lowest | 429 J/(kg K) (iodine) (properties at standard conditions)