بوهريوم

Bohrium, ₁₀₇Bh
عمومي خواص
Pronunciation	/ˈbɔəriəm/
Bohrium په دوراني جدول کې
seaborgium ← bohrium → hassium	‍
اټومي شمیره (Z)	107
گروپ, پیریود	group 7, period 7
بلاک	d-block
Element category	transition metal
Mass number	270; (unconfirmed: 278) (most stable isotope)
Electron configuration	[Rn] 5f14 6d5 7s2
Electrons per shell	2, 8, 18, 32, 32, 13, 2
فزیکي خواص
حالت (at STP)	جامد (predicted)
Density near r.t.	37.1 g/cm3 (predicted)
اټومي خواص
Oxidation states	7, (5), (4), (3) (parenthesized oxidation states are predictions)
Ionization energies	1st: 742.9 kJ/mol ; 2nd: 1688.5 kJ/mol ; 3rd: 2566.5 kJ/mol ; (more) (all but first estimated);
Atomic radius	empirical: 128 pm (predicted)
Covalent radius	141 pm (estimated)
Miscellanea
Crystal structure	hexagonal close-packed (hcp) Hexagonal close-packed crystal structure for bohrium; (predicted)
CAS Number	54037-14-8
History
Naming	after Niels Bohr
Discovery	Gesellschaft für Schwerionenforschung (1981)
Main isotopes of bohrium
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بوهريوم (په انگرېزي: Bohrium) له کیمیاوي عناصرو څخه یو دی چې په تناوبي جدول کې د Bh سمبول او ۱۰v اتمي شمېرې په وسیله ښودل شوی دی.

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