Radon

Radon (/[unsupported input]ˈreɪdɒn/ RAY-don) iku èlemèn kimia kanthi simbul Rn lan nomer atom 86. Radon iku dat radioaktif, tanpa warna, tanpa ambu, tanpa rasa gas mulya, dumadi kanthi alamiah minangka produk paluruhan (decay) saka uranium.

Radon,  ₈₆Rn

General properties
Pangucapan	/ˈreɪdɒn/ ​(RAY-don)
Wujud	Colorless gas
nomer massa	222 (most stable isotope)
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 astatin ← radon → fransium
Atomic number (Z)	86
Group	group 18 (noble gases)
Period	period 6
Blok	p-block
Konfigurasi èlèktron	[Xe] 4f14 5d10 6s2 6p6
Electrons per shell	2, 8, 18, 32, 18, 8
Sipat angga
Phase at STP	gas
Melting point	202.0 K ​(−71.15 °C, ​−96.07 °F)
Boiling point	211.3 K ​(−61.85 °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	2
Electronegativity	Pauling scale: 2.2
Covalent radius	150 pm
Van der Waals radius	220 pm
Spectral lines
Miscellanea
Crystal structure	​face-centered cubic (fcc)
Thermal conductivity	3.61 m W/(m·K)
Magnetic ordering	non-magnetic
CAS Number	10043-92-2
Main isotopes of radon
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct 210Rn syn 2.4 h α 6.404 206Po 211Rn syn 14.6 h ε 2.892 211At α 5.965 207Po 222Rn trace 3.8235 d α 5.590 218Po 224Rn syn 1.8 h β 0.8 224Fr

Pranala njaba

Wiktionary

Pirsani informasi ngenani Radon ing KamusWiki.

• Toxicological Profile for Radon Archived 2001-07-18 at the Wayback Machine., Draft for Public Comment, Agency for Toxic Substances and Disease Registry, September 2008
• Health Effects of Exposure to Radon: BEIR VI. Committee on Health Risks of Exposure to Radon (BEIR VI), National Research Council available on-line
• UNSCEAR 2000 Report to the General Assembly, with scientific annexes: Annex B: Exposures from natural radiation sources.
• Should you measure the radon concentration in your home?, Phillip N. Price, Andrew Gelman, in Statistics: A Guide to the Unknown, January 2004.
• Radon and radon publications at the United States Environmental Protection Agency
• National Radon Program Services hosted by Kansas State University
• Radon Information from the UK Health Protection Agency
• Frequently Asked Questions About Radon at National Safety Council
• Home Buyer's and Seller's Guide to Radon An article by the International Association of Certified Home Inspectors (InterNACHI)
• Radon and Lung Health from the American Lung Association
• Radon's impact on your health - Lung Association Archived 2009-12-18 at the Wayback Machine.
• Map referring to radon concentrations in England and Wales