ର‍୍ୟାଡ଼ନ

ଉଇକିପିଡ଼ିଆ ରୁ
ସିଧାସଳଖ ଯିବେ ଦିଗବାରେଣିକୁ, ଖୋଜିବେ
Radon,  86Rn
Radon.jpg
A small gold tube filled with radon gas, causing radioluminescence of the phosphor layer below
ସାଧାରଣ ଗୁଣ
ନାମ, ପ୍ରତୀକ radon, Rn
Appearance colorless gas
ଉଚ୍ଚାରଣ /ˈrdɒn/ ray-don
Radon in the periodic table
Hydrogen (other non-metal)
Helium (noble gas)
Lithium (alkali metal)
Beryllium (alkaline earth metal)
Boron (metalloid)
Carbon (other non-metal)
Nitrogen (other non-metal)
Oxygen (other non-metal)
Fluorine (halogen)
Neon (noble gas)
Sodium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silicon (metalloid)
Phosphorus (other non-metal)
Sulfur (other non-metal)
Chlorine (halogen)
Argon (noble gas)
Potassium (alkali metal)
Calcium (alkaline earth metal)
Scandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Chromium (transition metal)
Manganese (transition metal)
Iron (transition metal)
Cobalt (transition metal)
Nickel (transition metal)
Copper (transition metal)
Zinc (transition metal)
Gallium (post-transition metal)
Germanium (metalloid)
Arsenic (metalloid)
Selenium (other non-metal)
Bromine (halogen)
Krypton (noble gas)
Rubidium (alkali metal)
Strontium (alkaline earth metal)
Yttrium (transition metal)
Zirconium (transition metal)
Niobium (transition metal)
Molybdenum (transition metal)
Technetium (transition metal)
Ruthenium (transition metal)
Rhodium (transition metal)
Palladium (transition metal)
Silver (transition metal)
Cadmium (transition metal)
Indium (post-transition metal)
Tin (post-transition metal)
Antimony (metalloid)
Tellurium (metalloid)
Iodine (halogen)
Xenon (noble gas)
Caesium (alkali metal)
Barium (alkaline earth metal)
Lanthanum (lanthanoid)
Cerium (lanthanoid)
Praseodymium (lanthanoid)
Neodymium (lanthanoid)
Promethium (lanthanoid)
Samarium (lanthanoid)
Europium (lanthanoid)
Gadolinium (lanthanoid)
Terbium (lanthanoid)
Dysprosium (lanthanoid)
Holmium (lanthanoid)
Erbium (lanthanoid)
Thulium (lanthanoid)
Ytterbium (lanthanoid)
Lutetium (lanthanoid)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Rhenium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Gold (transition metal)
Mercury (transition metal)
Thallium (post-transition metal)
Lead (post-transition metal)
Bismuth (post-transition metal)
Polonium (post-transition metal)
Astatine (halogen)
Radon (noble gas)
Francium (alkali metal)
Radium (alkaline earth metal)
Actinium (actinoid)
Thorium (actinoid)
Protactinium (actinoid)
Uranium (actinoid)
Neptunium (actinoid)
Plutonium (actinoid)
Americium (actinoid)
Curium (actinoid)
Berkelium (actinoid)
Californium (actinoid)
Einsteinium (actinoid)
Fermium (actinoid)
Mendelevium (actinoid)
Nobelium (actinoid)
Lawrencium (actinoid)
Rutherfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hassium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Copernicium (transition metal)
Ununtrium (unknown chemical properties)
Flerovium (unknown chemical properties)
Ununpentium (unknown chemical properties)
Livermorium (unknown chemical properties)
Ununseptium (unknown chemical properties)
Ununoctium (unknown chemical properties)
Xe

Rn

Uuo
astatineradonfrancium
ପରମାଣୁ କ୍ରମାଙ୍କ (Z) 86
ଶ୍ରେଣୀ, ବ୍ଳକ group 18 (noble gases), p-block
ପର୍ଯ୍ୟାୟ period 6
ମୌଳିକ ପ୍ରକାର   noble gas
ମାନକ ପରମାଣବିକ ଓଜନ (Ar) (222)
ଇଲେକ୍‌ଟ୍ରୋନ୍ ବିନ୍ୟାସ [Xe] 4f14 5d10 6s2 6p6
per shell
2, 8, 18, 32, 18, 8
ଭୌତିକ ଗୁଣ
ଅବସ୍ଥା gas
ଗଳନାଙ୍କ 202.0 K ​(−71.15 °C, ​−96.07 °F)
ସ୍ଫୁଟନାଙ୍କ 211.3 K ​(−61.85 °C, ​−79.1 °F)
ଘନତା at stp (0 °C and 101.325 kPa) 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 18.10 kJ/mol
Molar heat capacity 5R/2 = 20.786 J/(mol·K)
 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 6, 2, 0
Electronegativity Pauling scale: 2.2
Covalent radius 150 pm
Van der Waals radius 220 pm
Miscellanea
Crystal structure face-centered cubic (fcc)
Face-centered cubic crystal structure for radon
Thermal conductivity 3.61 m W/(m·K)
Magnetic ordering non-magnetic
CAS Number 10043-92-2
ଇତିହାସ
ଆବିଷ୍କାର Friedrich Ernst Dorn (1898)
First isolation William Ramsay and Robert Whytlaw-Gray (1910)
Most stable isotopes of radon
iso NA half-life DM DE (MeV) DP
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
| references

ର‍୍ୟାଡ଼ନ ହେଉଛି ଏକ ରାସାୟନିକ ମୌଳିକ ଯାହାର ପ୍ରତୀକ Rnପରମାଣୁ କ୍ରମାଙ୍କ ୮୬ ଅଟେ ।

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