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Ang Bohrium o Boryo ay isang elementong pangkimika na mayroong simbolong Bh at atomikong bilang na 107 (nasa posisyong 107 sa talahanayang peryodiko, at ito ang pinaka mabigat na kasapi sa pangkat na 7 (VIIB). Isa itong elementong sintetiko na ang pinaka matatag na nakikilalang isotopo na 270Bh, ay mayroong kalahating buhay na 61 mga segundo. Natiyak ng mga eksperimentong pangkimika na ang mahuhulang posisyon ng bohrium ay mayroon mas mabigat na homologo sa rhenium na nagkakaroon ng pormasyon o pagkakabuo ng isang matatag na katayuan ng oksidasyon na +7.[12] Pinangalanan ang bohrium magmula kay Niels Bohr.

Agarang impormasyon Bohrium, Bigkas ...
Bohrium, 107Bh
Bohrium
Bigkas /ˈbɔːriəm/ (BOR-ee-əm)
Bilang na pangmasa[270] (unconfirmed: 278)
Bohrium sa talahanayang peryodiko
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
Re

Bh

seaborgiumbohriumhassium
Atomikong bilang (Z)107
Group7
Period7
Block  d-block
Electron configuration[Rn] 5f14 6d5 7s2[1][2]
Electrons per shell2, 8, 18, 32, 32, 13, 2
Physical properties
Phase at STPsolid (predicted)[3]
Density (near r.t.)26–27 g/cm3 (predicted)[4][5]
Atomic properties
Oxidation states(+3), (+4), (+5), +7[2][6] (Nakasaknong: prediksyon)
Ionization energies
  • 1st: 740 kJ/mol
  • 2nd: 1690 kJ/mol
  • 3rd: 2570 kJ/mol
  • (more) (all but first estimated)[2]
Atomic radiusempirical: 128 pm (predicted)[2]
Covalent radius141 pm (estimated)[7]
Other properties
Natural occurrencesintetiko
Crystal structure hexagonal close-packed (hcp)
Hexagonal close-packed crystal structure for bohrium

(predicted)[3]
CAS Number54037-14-8
History
Namingafter Niels Bohr
DiscoveryGesellschaft für Schwerionenforschung (1981)
Isotopes of bohrium
Main isotopes[8] Decay
abun­dance half-life (t1/2) mode pro­duct
267Bh synth 17 s α 263Db
270Bh synth 2.4 min α 266Db
271Bh synth 2.9 s[9] α 267Db
272Bh synth 8.8 s α 268Db
274Bh synth 40 s[10] α 270Db
278Bh synth 11.5 min?[11] SF
Kategorya Kategorya: Bohrium
| references
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