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Polonyo

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Polonium
84Po
Te
↑
Po
↓
Lv
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)
bismuth ←polonium →astatine
Panagway
silvery
Payl:Polonium.jpg
Kinatibuk-ang mga kinaiya
Ngalan,simbolo,kaiphanpolonium, Po, 84
Paglitok/[unsupported input]poʊˈloʊniəm/[[Help:Pronunciation respelling key|po-Plantilya:Smallcaps all-nee-əm]]
Kategoriyang elementopost-transition metal
post-transition metal status is disputed (see article text)
Group,period,block16, 6,p
Gibug-aton sa atomo(209)
Kontorno sa elektron[Xe] 6s2 4f14 5d10 6p4
2, 8, 18, 32, 18, 6
Electron shells of polonium (2, 8, 18, 32, 18, 6)
Electron shells of polonium (2, 8, 18, 32, 18, 6)
History
PagkadiskobrePierre Curie andMarie Curie (1898)
First isolationWilly Marckwald (1902)
Physical properties
Phasemagahi
Density (nearr.t.)(alpha) 9.196 g·cm−3
Density (nearr.t.)(beta) 9.398 g·cm−3
Melting point527 K, 254 °C, 489 °F
Boiling point1235 K, 962 °C, 1764 °F
Heat of fusionca. 13kJ·mol−1
Heat of vaporization102.91 kJ·mol−1
Molar heat capacity26.4 J·mol−1·K−1
Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)   (846)10031236
Atomic properties
Oxidation states6,4, 2, −2
(amphoteric oxide)
Electronegativity2.0 (Pauling scale)
Ionization energies1st: 812.1 kJ·mol−1
Atomic radius168pm
Covalent radius140±4 pm
Van der Waals radius197 pm
Miscellanea
Crystal structurecubic
Polonium has a cubic crystal structure
Magnetic orderingnonmagnetic
Electrical resistivity(0 °C) (α) 0.40 µΩ·m
Thermal conductivity? 20 W·m−1·K−1
Thermal expansion(25 °C) 23.5 µm·m−1·K−1
CAS registry number7440-08-6
Most stable isotopes
Main article:Isotopes of polonium
isoNAhalf-lifeDMDE(MeV)DP
208Posyn2.898yα5.215204Pb
β+1.401208Bi
209Posyn103 yα4.979205Pb
β+1.893209Bi
210Potrace138.376dα5.307206Pb
·r

Angpolonyo (Ininglespolonium) mao angelementong kimiko satalaang peryodiko nga may simbolo ngaPo ug kaiphan nga atomik 84. Ang polonyo mao angputhaw.

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