Template:Infobox radon

Radon, ₈₆Rn

Radon
Pronunciation	/ˈreɪdɒn/ ​(RAY-don)
Appearance	colorless gas
Mass number	[222]
Radon in the periodic table
Hydrogen Helium Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson Xe ↑ Rn ↓ Og astatine ← radon → francium
Atomic number (Z)	86
Group	group 18 (noble gases)
Period	period 6
Block	p-block
Electron configuration	[Xe] 4f14 5d10 6s2 6p6
Electrons per shell	2, 8, 18, 32, 18, 8
Physical properties
Phase at STP	gas
Melting point	202 K ​(−71 °C, ​−96 °F)
Boiling point	211.5 K ​(−61.7 °C, ​−79.1 °F)
Density (at STP)	9.73 g/L
when liquid (at b.p.)	4.4 g/cm3
Critical point	377 K, 6.28 MPa
Heat of fusion	3.247 kJ/mol
Heat of vaporization	18.10 kJ/mol
Molar heat capacity	5R/2 = 20.786 J/(mol·K)
Vapor pressure P (Pa) 1 10 100 1 k 10 k 100 k at T (K) 110 121 134 152 176 211
Atomic properties
Oxidation states	common: (none) +2,? +6
Electronegativity	Pauling scale: 2.2
Ionization energies	1st: 1037 kJ/mol
Covalent radius	150 pm
Van der Waals radius	220 pm
Color lines in a spectral range Spectral lines of radon
Other properties
Natural occurrence	from decay
Crystal structure	​face-centered cubic (fcc) Face-centered cubic crystal structure for radon (predicted)
Thermal conductivity	3.61×10−3  W/(m⋅K)
Magnetic ordering	non-magnetic
CAS Number	10043-92-2
History
Discovery	Ernest Rutherford and Robert B. Owens (1899)
First isolation	William Ramsay and Robert Whytlaw-Gray (1910)
Isotopes of radon
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 210Rn synth 2.4 h α 206Po 211Rn synth 14.6 h ε 211At α 207Po 222Rn trace 3.8235 d α 218Po 224Rn synth 1.8 h β− 224Fr

Rn · Radon
At ← ibox At	iso 86 Rn  [] IB-Rn [] IBisos []	→ Fr ibox Fr
File:Symbol category class.svg cat:Rn (0) File:Symbol category class.svg cat:Rn-isotopes (0) File:Commons-logo.svg Commons File:Wikidata-logo.svg Wikidata:Q1133 File:Wiktionary-logo.svg Wiktionary
indexes by PT (page)

child table, as reused in {IB-Rn}
Main isotopes of radon
Main isotopes Decay abun­dance half-life (t1/2) mode pro­duct 210Rn synth 2.4 h α 206Po 211Rn synth 14.6 h ε 211At α 207Po 222Rn trace 3.8235 d α 218Po 224Rn synth 1.8 h β− 224Fr

Data sets read by {{Infobox element}}
Name and identifiers
Symbol etymology (11 non-trivial)
Top image (caption, alt)	caption: alt:
Pronunciation
Allotropes (overview)
Group (overview)
Period (overview)
Block (overview)
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Isotopes
Standard atomic weight
most stable isotope
File:Notification-icon-Wikidata-logo.svg Wikidata
Wikidata *
* Not used in {{Infobox element}} (2023-01-01) See also {{Index of data sets}} · Cat:data sets (0) · (this table: )

References

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