「Polonium」調整以後𣍐蜀樣其地方
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Sĭng hiĕk: '''Polonium''' sê siŏh cṳ̄ng gĭng-sṳ̆k, iâ sê siŏh cṳ̄ng huá-hŏk nguòng-só. Nguòng-cṳ̄ sê̤ṳ-só sê 84, huá-hŏk hù-hô̤ sê Po. ==Huá-hŏ... |
無編輯摘要 |
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Dâ̤ 1 hòng:
{{infobox element
|number=84
|symbol=Po
|name=Poloni
|enname=polonium
|laname=polonium
|allotropes = α, β
|left=[[Bék (gĭng-sṳ̆k)|Bitmut]]
|right=[[astatine|Astatin]]
|above=[[Dá̤ (nguòng-só)|Telua]]
|below=[[Livermorium|Livermori]]
|series=bìng-gĭng-sṳ̆k
|series comment=hĕ̤k-ciā [[lôi-gĭng-sṳ̆k]]
|group=16
|period=6
|block=p
|appearance=silvery
|atomic mass=(209)
|electron configuration=[[[xenon|Xe]]] 4f<sup>14</sup> 5d<sup>10</sup> 6s<sup>2</sup> 6p<sup>4</sup>
|image name=
|electrons per shell=2, 8, 18, 32, 18, 6
|phase=gó-tā̤
|density gpcm3nrt=alpha: 9.196
|density gpcm3nrt 2=beta: 9.398
|melting point K=527
|melting point C=254
|melting point F=489
|boiling point K=1235
|boiling point C=962
|boiling point F=1764
|heat fusion=ca. 13
|heat vaporization=102.91
|heat capacity=26.4
|vapor pressure 1=
|vapor pressure 10=
|vapor pressure 100=
|vapor pressure 1 k= (846)
|vapor pressure 10 k=1003
|vapor pressure 100 k=1236
|vapor pressure comment=
|crystal structure=cubic
|crystal structure comment=α-Po
|crystal structure 2=rhombohedral
|crystal structure 2 comment=β-Po
|oxidation states=6, 5,<ref name="Thayer">{{cite journal |last1=Thayer |first1=John S. |title=Relativistic Effects and the Chemistry of the Heavier Main Group Elements |year=2010 |pages=78 |doi=10.1007/978-1-4020-9975-5_2}}</ref> '''4''', '''2''', '''[[Polonide|−2]]'''
|oxidation states comment=(an [[amphoterism|amphoteric]] oxide)
|electronegativity=2.0
|number of ionization energies=1
|ionization energy 1=812.1
|atomic radius=168
|covalent radius=140±4
|Van der Waals radius=197
|magnetic ordering=nonmagnetic
|electrical resistivity unit prefix=µ
|electrical resistivity at 0=α: 0.40
|thermal conductivity=20
|thermal conductivity comment=(?)
|thermal expansion at 25=23.5
|CAS number=7440-08-6
|isotopes=
{{infobox element/isotopes decay2 | mn=208 | sym=Po
| na=[[synthetic radioisotope|syn]] | hl=2.898 y
| dm1=[[alpha emission|α]] | de1=5.215 | link1=lead-204 | pn1=204 | ps1=Pb
| dm2=[[positron decay|β<sup>+</sup>]] | de2=1.401 | link2=bismuth-208 | pn2=208 | ps2=Bi}}
{{infobox element/isotopes decay2 | mn=209 | sym=Po
| na=syn | hl=(125.2±3.3) y<ref name=Po209>{{cite web|last1=Boutin|first1=Chad|title=Polonium's Most Stable Isotope Gets Revised Half-Life Measurement|url=http://www.nist.gov/pml/div682/po-090914.cfm|website=nist.gov|publisher=NIST Tech Beat|accessdate=9 September 2014}}</ref>
| dm1=α | de1=4.979 | link1=lead-205 | pn1=205 | ps1=Pb
| dm2=β<sup>+</sup> | de2=1.893 | link2=bismuth-209 | pn2=209 | ps2=Bi}}
{{infobox element/isotopes decay | mn=210 | sym=Po
| na=[[trace radioisotope|trace]] | hl=138.376 d
| dm=α | de=5.307 | link1=lead-206 | pn=206 | ps=Pb}}
|isotopes comment=
|naming=after ''{{lang|la|Polonia}}'', Latin for [[Poland]]. Homeland of Marie Curie
|discovered by=[[Pierre Curie]] and [[Marie Curie]]
|discovery date=1898
|first isolation by=[[Willy Marckwald]]
|first isolation date=1902
}}
'''Polonium''' sê siŏh cṳ̄ng [[gĭng-sṳ̆k]], iâ sê siŏh cṳ̄ng [[huá-hŏk nguòng-só]]. [[Nguòng-cṳ̄ sê̤ṳ-só]] sê 84, huá-hŏk hù-hô̤ sê Po.
==Huá-hŏk séng-cék==
第5行 ⟶ 第83行：
==Cié-chṳ̄==
==Chăng-kō̤ cṳ̆-lâiu==
{{reflist}}
{{Ciŭ-gĭ-biēu}}
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