"Rhenium" pán-pún chi-kan bô-kāng--ê tē-hng
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'''Rhenium''' sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 75, hoà-ha̍k hû-hō sī Re. {{stub}} {{Chiu-kî-piáu}} Category:Goân-sò͘... ê ia̍h í-keng kiàn-li̍p |
無編輯摘要 |
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Tē 1 chōa:
{{Infobox element
|number=75
|symbol=Re
|name=rhenium
|left=[[wolfram]]
|right=[[osmium]]
|above=[[technetium|Tc]]
|below=[[bohrium|Bh]]
|series=kòe-tō͘ kim-sio̍k
|period=6
|group=7
|block=d
|image name=Rhenium_single_crystal_bar_and_1cm3_cube.jpg
|appearance=silvery-grayish
|atomic mass=186.207
|atomic mass ref=<ref name="IUPAC">[http://www.ciaaw.org/atomic-weights.htm Standard Atomic Weights 2013]. [[Commission on Isotopic Abundances and Atomic Weights]]</ref>
|atomic mass 2=1
|atomic mass comment=
|electron configuration=[[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>5</sup> 6s<sup>2</sup>
|electrons per shell=2, 8, 18, 32, 13, 2
|phase=solid
|density gpcm3nrt=21.02
|density gpcm3mp=18.9
|melting point K=3459
|melting point C=3186
|melting point F=5767
|boiling point K=5869
|boiling point C=5596
|boiling point F=10,105
|heat fusion=60.43
|heat vaporization=704
|heat capacity=25.48
|vapor pressure 1=3303
|vapor pressure 10=3614
|vapor pressure 100=4009
|vapor pressure 1 k=4500
|vapor pressure 10 k=5127
|vapor pressure 100 k=5954
|vapor pressure comment=
|crystal structure=hexagonal close packed
|oxidation states=7, 6, 5, '''4''', 3, 2, 1, 0, −1, −3
|oxidation states comment=(a mildly [[acid]]ic oxide)
|electronegativity=1.9
|number of ionization energies=4
|ionization energy 1=760
|ionization energy 2=1260
|ionization energy 3=2510
|atomic radius=137
|covalent radius=151±7
|magnetic ordering=[[paramagnetic]]
|magnetic ordering ref=<ref>{{cite book |url=http://web.archive.org/web/20110303222309/http://www-d0.fnal.gov/hardware/cal/lvps_info/engineering/elementmagn.pdf|chapter=Magnetic susceptibility of the elements and inorganic compounds| editor = Lide, D. R. | title = CRC Handbook of Chemistry and Physics | edition = 86th | location = Boca Raton (FL) | publisher = CRC Press | year = 2005 | isbn = 0-8493-0486-5 }}
</ref>
|electrical resistivity unit prefix=n
|electrical resistivity at 20=193
|thermal conductivity=48.0
|thermal expansion=6.2
|speed of sound rod at 20=4700
|Young's modulus=463
|Shear modulus=178
|Bulk modulus=370
|Poisson ratio=0.30
|Mohs hardness=7.0
|Vickers hardness=1350–7850
|Brinell hardness=1320–2500
|CAS number=7440-15-5
|isotopes=
{{infobox element/isotopes decay|mn=185|sym=Re|na=37.4%| hl=– | dm=([[alpha decay|α]]) | de=2.1947 | link1=tantalum-181 | pn=181 | ps=Ta }}
{{infobox element/isotopes decay2|mn=187|sym=Re
|na=62.6%|hl=4.12×10<sup>10</sup> y
|dm1=α|de1=1.653|link1=tantalum-183|pn1=183|ps1=Ta
|dm2=[[beta decay|β<sup>−</sup>]]|de2=0.0026|link2=osmium-187|pn2=187|ps2=Os}}
|isotopes comment=Decay modes in parentheses are predicted, but have not yet been observed
|naming=after the river [[Rhine]] (German: ''{{lang|de|Rhein}}'')
|discovery and first isolation by=[[Masataka Ogawa]]
|discovery date=1908
|named by=[[Walter Noddack]], [[Ida Noddack]], [[Otto Berg (scientist)|Otto Berg]]
|named date=1922
}}
'''Rhenium''' sī 1 ê [[hoà-ha̍k goân-sò͘]]. I ê [[goân-chú-hoan]] sī 75, hoà-ha̍k hû-hō sī Re.
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