Polonyo

Ang polonyo (Iningles polonium) mao ang elementong kimiko sa talaang peryodiko nga may simbolo nga Po ug kaiphan nga atomik 84.

Ang polonyo mao ang puthaw.

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)
Periodic table
bismuthpoloniumastatine
Panagway
silvery
Payl:Polonium.jpg
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan polonium, Po, 84
Paglitok /[unsupported input]pˈlniəm/ [[Help:Pronunciation respelling key|po-Plantilya:Smallcaps all-nee-əm]]
Kategoriyang elemento post-transition metal
post-transition metal status is disputed (see article text)
Group, period, block 16, 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
Pagkadiskobre Pierre Curie and Marie Curie (1898)
First isolation Willy Marckwald (1902)
Physical properties
Phase magahi
Density (near r.t.) (alpha) 9.196 g·cm−3
Density (near r.t.) (beta) 9.398 g·cm−3
Melting point 527 K, 254 °C, 489 °F
Boiling point 1235 K, 962 °C, 1764 °F
Heat of fusion ca. 13 kJ·mol−1
Heat of vaporization 102.91 kJ·mol−1
Molar heat capacity 26.4 J·mol−1·K−1
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K)       (846) 1003 1236
Atomic properties
Oxidation states 6, 4, 2, −2
(amphoteric oxide)
Electronegativity 2.0 (Pauling scale)
Ionization energies 1st: 812.1 kJ·mol−1
Atomic radius 168 pm
Covalent radius 140±4 pm
Van der Waals radius 197 pm
Miscellanea
Crystal structure cubic
Polonium has a cubic crystal structure
Magnetic ordering nonmagnetic
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 number 7440-08-6
Most stable isotopes
Main article: Isotopes of polonium
iso NA half-life DM DE (MeV) DP
208Po syn 2.898 y α 5.215 204Pb
β+ 1.401 208Bi
209Po syn 103 y α 4.979 205Pb
β+ 1.893 209Bi
210Po trace 138.376 d α 5.307 206Pb
· r

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Elementong kimikoIninglesTalaang peryodiko

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