"Curium" pán-pún chi-kan bô-kāng--ê tē-hng
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'''Curium''' sī 1 ê hoà-ha̍k goân-sò͘. I ê goân-chú-hoan sī 96, hoà-ha̍k hû-hō sī Cm. "Curium" sī ēng Marie Curie kap Pierre Curie... ê ia̍h í-keng kiàn-li̍p |
無編輯摘要 |
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Tē 1 chōa:
{{Infobox element
|number=96
|symbol=Cm
|name=curium
|left=[[americium]]
|right=[[berkelium]]
|above=[[gadolinium|Gd]]
|below=(Uqo)
|series=actinium-hē
|period=7
|block=f
|group=n/a
|image name=
|appearance=silvery metallic, glows purple in the dark
|atomic mass=(247)
|electron configuration=[[[radon|Rn]]] 5f<sup>7</sup> 6d<sup>1</sup> 7s<sup>2</sup>
|electrons per shell=2, 8, 18, 32, 25, 9, 2
|phase=kò͘-thé
|density gpcm3nrt=13.51
|melting point K=1613
|melting point C=1340
|melting point F=2444
|boiling point K=3383
|boiling point C=3110
|boiling point F=5630
|heat fusion=13.85
|heat fusion comment=
|vapor pressure 1=1788
|vapor pressure 10=1982
|vapor pressure 100=
|vapor pressure 1 k=
|vapor pressure 10 k=
|vapor pressure 100 k=
|vapor pressure comment=
|crystal structure=double hexagonal close packed
|oxidation states=6,<ref name="CmO3">{{cite journal |last1=Domanov |first1=V. P. |last2=Lobanov |first2=Yu. V. |date=October 2011 |title=Formation of volatile curium(VI) trioxide CmO<sub>3</sub> |journal=Radiochemistry |volume=53 |issue=5 |pages=453–6 |publisher=SP MAIK Nauka/Interperiodica |doi=10.1134/S1066362211050018}}</ref> 4, '''3''', 2
|oxidation states comment=(an [[amphoterism|amphoteric]] oxide)
|electronegativity=1.3
|number of ionization energies=1
|ionization energy 1=581
|atomic radius=174
|covalent radius=169±3
|magnetic ordering=antiferromagnetic-paramagnetic transition at 52 K
|magnetic ordering ref=<ref name=res>{{cite journal|last1=Schenkel|first1=R|title=The electrical resistivity of 244Cm metal|journal=Solid State Communications|volume=23|pages=389|year=1977|doi=10.1016/0038-1098(77)90239-3|issue=6 |bibcode=1977SSCom..23..389S }}</ref>
|electrical resistivity=1.25
|electrical resistivity unit prefix=µ
|electrical resistivity ref=<ref name=res/>
|CAS number=7440-51-9
|isotopes=
{{infobox element/isotopes decay2 | mn=242 | sym=Cm
| na=[[synthetic radioisotope|syn]] | hl=160 d
| dm1=SF | de1=– | pn1= | ps1=–
| dm2=[[alpha emission|α]] | de2=6.1 | link2=plutonium-238 | pn2=238 | ps2=Pu}}
{{infobox element/isotopes decay3 | mn=243 | sym=Cm
| na=syn | hl=[[1 E8 s|29.1 y]]
| dm1=α | de1=6.169 | link1=plutonium-239 | pn1=239 | ps1=Pu
| dm2=[[electron capture|ε]] | de2=0.009 | link2=americium-243 | pn2=243 | ps2=Am
| dm3=[[spontaneous fission|SF]] | de3=– | pn3= | ps3=–}}
{{infobox element/isotopes decay2 | mn=244 | sym=Cm
| na=syn | hl=18.1 y
| dm1=SF | de1=– | pn1= | ps1=–
| dm2=α | de2=5.8048 | link2=plutonium-240 | pn2=240 | ps2=Pu}}
{{infobox element/isotopes decay2 | mn=245 | sym=Cm
| na=syn | hl=[[1 E11 s|8500 y]]
| dm1=SF | de1=– | pn1= | ps1=–
| dm2=α | de2=5.623 | link2=plutonium-241 | pn2=241 | ps2=Pu}}
{{infobox element/isotopes decay2 | mn=246 | sym=Cm
| na=syn | hl=4730 y
| dm1=α | de1=5.475 | link1=plutonium-242 | pn1=242 | ps1=Pu
| dm2=SF | de2=– | pn2= | ps2=–}}
{{infobox element/isotopes decay | mn=247 | sym=Cm
| na=syn | hl=[[1 E14 s|1.56×10<sup>7</sup> y]]
| dm=α | de=5.353 | link1=plutonium-243 | pn=243 | ps=Pu}}
{{infobox element/isotopes decay2 | mn=248 | sym=Cm
| na=syn | hl=[[1 E13 s|3.40×10<sup>5</sup> y]]
| dm1=α | de1=5.162 | link1=plutonium-244 | pn1=244 | ps1=Pu
| dm2=SF | de2=– | pn2= | ps2=–}}
{{infobox element/isotopes decay3 | mn=250 | sym=Cm
| na=syn | hl=9000 y
| dm1=SF | de1=– | pn1= | ps1=–
| dm2=α | de2=5.169 | link2=plutonium-246 | pn2=246 | ps2=Pu
| dm3=[[beta emission|β<sup>−</sup>]] | de3=0.037 | link3=berkelium-250 | pn3=250 | ps3=Bk}}
|isotopes comment=
|naming=named after [[Marie Curie|Marie Skłodowska-Curie]] and [[Pierre Curie]]
|discovered by=[[Glenn T. Seaborg]], [[Ralph A. James]], [[Albert Ghiorso]]
|discovery date=1944
}}
'''Curium''' sī 1 ê [[hoà-ha̍k goân-sò͘]]. I ê [[goân-chú-hoan]] sī 96, hoà-ha̍k hû-hō sī Cm.
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