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Baris 3: Baris 3:
|symbol=Db
|symbol=Db
|name=dubnium
|name=dubnium
|pronounce=
|pronounce={{IPAc-en|ˈ|d|uː|b|n|i|əm}} <br> {{respell|DOOB|nee-əm}}
|left=[[rutherfordium]]
|left=[[ruterfordium]]
|right=[[seaborgium]]
|right=[[seaborgium]]
|above=[[tantalum|Ta]]
|above=[[Tantalum|Ta]]
|below=(Upp)
|below=(Upe)
|series= logam transisi
|series= logam transisi
|group=5
|group=5
|period=7
|period=7
|block=d
|block=d
|appearance= tak diketahui
|appearance=
|image name=
⚫
|atomic mass= [268]
Electron shell 105 Dubnium.svg
⚫
|electron configuration= &#91;[[radon|Rn]]&#93; 5f<sup>14</sup> 6d<sup>3</sup> 7s<sup>2</sup><br>''(predicted)''<br />
|image name comment=Konfigurasi elektron dubnium
⚫
|electrons per shell= 2, 8, 18, 32, 32, 11, 2 <br>''(predicted)''
⚫
|atomic mass=
|phase= tak diketahui
⚫
|electron configuration= &#91;[[radon|Rn]]&#93; 5f<sup>14</sup> 6d<sup>3</sup> 7s<sup>2</sup><ref name=Haire/>
⚫
|density gpcm3nrt=
⚫
|electrons per shell= 2, 8, 18, 32, 32, 11, 2
⚫
|crystal structure=
|phase= padat
|oxidation states= 5
|phase comment=''(diprediksi)''<ref name=bcc/>
⚫
|atomic radius calculated=
⚫
|density gpcm3nrt=21,6
⚫
|covalent radius=149 ''(estimated)''<ref name=rsc>[http://www.rsc.org/chemsoc/visualelements/pages/data/dubnium_data.html Chemical Data. Dubnium - Db], Royal Chemical Society</ref>
|density gpcm3nrt comment=''(diprediksi)''<ref name=density>{{cite journal |last1=Gyanchandani |first1=Jyoti |last2=Sikka |first2=S. K. |title=Physical properties of the 6 d -series elements from density functional theory: Close similarity to lighter transition metals |journal=Physical Review B |date=10 Mei 2011 |volume=83 |issue=17 |pages=172101 |doi=10.1103/PhysRevB.83.172101}}</ref><ref name=kratz>{{cite book |last1=Kratz |last2=Lieser |title=Nuclear and Radiochemistry: Fundamentals and Applications |date=2013 |page=631 |edition=3rd}}</ref>
⚫
|CAS number= 53850-35-4
⚫
|crystal structure=body-centered cubic
|crystal structure ref=&#x20;''(diprediksi)''<ref name=bcc>{{cite journal|doi=10.1103/PhysRevB.84.113104|title=First-principles calculation of the structural stability of 6d transition metals|year=2011|last1=Östlin|first1=A.|last2=Vitos|first2=L.|journal=Physical Review B|volume=84|issue=11|bibcode=2011PhRvB..84k3104O }}</ref>
|number of ionization energies=5
|ionization energy 1=665
|ionization energy comment=''(semuanya kecuali yang pertama merupakan perkiraan)''<ref name=Haire>{{cite book| title=The Chemistry of the Actinide and Transactinide Elements| editor1-last=Morss|editor1-first=L.R.|editor2-first=N. M.| editor2-last=Edelstein| editor3-last=Fuger|editor3-first=Jean| last1=Hoffman|first1=D. C. |last2=Lee |first2=D. M. |last3=Pershina |first3=V.|chapter=Transactinides and the future elements| publisher= [[Springer Science+Business Media]]| year=2006| isbn=978-1-4020-3555-5| edition=3rd|pages=1652–1752| ref=CITEREFHaire2006}}</ref>
|ionization energy 2=1547
|ionization energy 3=2378
⚫
|atomic radius=139
|atomic radius comment=''(diperkirakan)''<ref name=Haire/>
|covalent radius=149
⚫
|covalent radius comment=''(diperkirakan)''<ref name=rsc>{{cite web|url=http://www.rsc.org/chemsoc/visualelements/pages/data/dubnium_data.html |title=Dubnium |publisher=Royal Chemical Society |access-date=7 Agustus 2022}}</ref>
⚫
|CAS number=53850-35-4
|magnetic susceptibility=
|magnetic susceptibility ref=
|isotopes=
|isotopes=
{{Elementbox_isotopes_decay2 | mn=262 | sym=Db | na=[[radioisotop sintetik|syn]] | hl=34 s<ref>{{cite journal|last1=Münzenberg|first1=G.|last2=Gupta|first2=M.|title=Production and Identification of Transactinide Elements|page=877|year=2011|doi=10.1007/978-1-4419-0720-2_19}}</ref><ref name=lifetimes/>|dm1=67% α | de1=8.66,8.45 | pn1=258 | ps1=Lr | dm2 =33% SF |de2 = |pn2 = |ps2=}}
{{infobox element/isotopes decay2 | mn=262 | sym=Db | na=[[Radioisotop sintetis|sintetis]] | hl=34&nbsp;dtk<ref>{{cite book|last1=Münzenberg|first1=G.|last2=Gupta|first2=M.|chapter=Production and Identification of Transactinide Elements|page=877|year=2011|doi=10.1007/978-1-4419-0720-2_19|title=Handbook of Nuclear Chemistry|publisher=Springer}}</ref><ref name=lifetimes/>
|dm1=67% [[Peluruhan alfa|α]] | de1=8,66,<br>8,45 | link1=lawrensium-258 | pn1=258 | ps1=Lr
⚫
{{Elementbox_isotopes_decay3 | mn=263 | sym=Db | na=[[radioisotop sintetik|syn]] | hl=27 s<ref name=lifetimes/> | dm1=56% SF | de1= | pn1= | ps1= | dm2=41% α|de2=8.36 | pn2=259 | ps2=Lr | dm3=3% ε | de3= | pn3=263m | ps3=Rf}}
|dm2=33%&nbsp;[[Pembelahan spontan|SF]] |de2= |pn2= |ps2=}}
{{Elementbox_isotopes_decay2 | mn=266 | sym=Db | na=[[radioisotop sintetik|syn]] | hl=22 min<ref name=lifetimes/> | dm1=SF | de1= | pn1=| ps1= | dm2=ε | de2= | pn2=266 | ps2=Rf}}
{{Elementbox_isotopes_decay | mn=267 | sym=Db | na=[[radioisotop sintetik|syn]] | hl=1.2 h<ref name=lifetimes/> | dm=SF | de= | pn= | ps=}}
{{infobox element/isotopes decay3 | mn=263 | sym=Db | na=sintetis | hl=27&nbsp;dtk<ref name=lifetimes/>
|dm1=56%&nbsp;SF | de1= | pn1= | ps1=
{{Elementbox_isotopes_decay2 | mn=268 | sym=Db | na=[[radioisotop sintetik|syn]] | hl=29 h<ref name=lifetimes>[http://newscenter.lbl.gov/news-releases/2010/10/26/six-new-isotopes/ Six New Isotopes of the Superheavy Elements Discovered]. Berkeley Lab. News center. October 26, 2010</ref> | dm1=SF | de1= | pn1= | ps1= | dm2 = [[penangkapan elektron|ε]] |de2 = |pn2 =268 |ps2=Rf}}
|dm2=41% α|de2=8,36 | link2=lawrensium-259 | pn2=259 | ps2=Lr
{{Elementbox_isotopes_decay | mn=270 | sym=Db | na=[[radioisotop sintetik|syn]] | hl=23.15 h<ref>{{cite journal|last1=Oganessian|first1=Yu. Ts.|last2=Abdullin|first2=F. Sh.|last3=Bailey|first3=P. D.|last4=Benker|first4=D. E.|last5=Bennett|first5=M. E.|last6=Dmitriev|first6=S. N.|last7=Ezold|first7=J. G.|last8=Hamilton|first8=J. H.|last9=Henderson|first9=R. A.|title=Synthesis of a New Element with Atomic Number Z=117|journal=Physical Review Letters|volume=104|year=2010|doi=10.1103/PhysRevLett.104.142502|pmid=20481935|bibcode = 2010PhRvL.104n2502O }}</ref> | dm=SF | de= | pn= | ps=}}
|dm3=3% [[Penangkapan elektron|ε]] | de3= | pn3=263[[Isomer nuklir|m]] | ps3=Rf}}
|isotopes comment=only half times of over 5 seconds are included here
{{infobox element/isotopes decay2 | mn=266 | sym=Db | na=sintetis | hl=20&nbsp;mnt<ref name=lifetimes/>
{{Listen|filename=dubnium.ogg|title=Dubnium|description=Common English pronunciation of dubnium|format=[[Ogg]]|plain=yes}}
|dm1=SF | de1= | pn1=| ps1=
|dm2=ε? | de2= | link2=ruterfordium-266 | pn2=266 | ps2=Rf}}
⚫
{{infobox element/isotopes decay2 | mn=267 | sym=Db | na=sintetis | hl=1,2&nbsp;jam<ref name=lifetimes/> | dm1=SF | de1= | pn1= | ps1= |dm2=ε? |de2= |link2=ruterfordium-267 |pn2=267 |ps2=Rf}}
{{infobox element/isotopes decay3 | mn=268 | sym=Db | na=sintetis | hl=28&nbsp;jam<ref name=lifetimes>{{cite web |url=http://newscenter.lbl.gov/news-releases/2010/10/26/six-new-isotopes/ |title=Six New Isotopes of the Superheavy Elements Discovered |publisher=Berkeley Lab |date=2010 |access-date=7 Agustus 2022 |url-status=live |archive-url=https://web.archive.org/web/20140505191355/http://newscenter.lbl.gov/news-releases/2010/10/26/six-new-isotopes/ |archive-date=5 Mei 2014 }}</ref>
|dm1=SF | de1= | pn1= | ps1=
|dm2= ε? | de2= | link2=ruterfordium-268 | pn2=268 | ps2=Rf
|dm3= α<ref>http://flerovlab.jinr.ru/index.php/2020/12/25/she-factory-first-experiment/</ref> |de3=7,723 |link3=lawrensium-264 |pn3=264 |ps3=Lr}}
{{infobox element/isotopes decay3 | mn=270 | sym=Db | na=sintetis | hl=15&nbsp;jam<ref>{{cite journal |last1=Oganessian |first1=Yu. Ts. |last2=Abdullin |first2=F. Sh. |last3=Bailey |first3=P. D. |last4=Benker |first4=D. E. |last5=Bennett |first5=M. E. |last6=Dmitriev |first6=S. N. |last7=Ezold |first7=J. G. |last8=Hamilton |first8=J. H. |last9=Henderson |first9=R. A. <!--| first10=M. G. |last10=Itkis | first11=Yuri V. |last11=Lobanov | first12=A. N. |last12=Mezentsev | first13=K. J. |last13=Moody | first14=S. L. |last14=Nelson | first15=A. N. |last15=Polyakov | first16=C. E. |last16=Porter | first17=A. V. |last17=Ramayya | first18=F. D. |last18=Riley | first19=J. B.|last19=Roberto | first20=M. A. |last20=Ryabinin | first21=K. P. |last21=Rykaczewski | first22=R. N. |last22=Sagaidak | first23=D. A. |last23=Shaughnessy | first24=I. V. |last24=Shirokovsky | first25=M. A. |last25=Stoyer | first26=V. G. |last26=Subbotin | first27=R. |last27=Sudowe | first28=A. M. |last28=Sukhov | first29=Yu. S. |last29=Tsyganov | first30=Vladimir K. |last30=Utyonkov | first31=A. A. |last31=Voinov | first32=G. K. |last32=Vostokin | first33=P. A. |last33=Wilk --> |title=Synthesis of a New Element with Atomic Number ''Z''=117 |date=2010 |journal=Physical Review Letters |publisher=American Physical Society |volume=104 <!--|issue=14 --> |number=142502 |doi=10.1103/PhysRevLett.104.142502 |pmid=20481935 |bibcode=2010PhRvL.104n2502O |url=https://www.researchgate.net/publication/44610795_Synthesis_of_a_new_element_with_atomic_number_Z__117 |display-authors=3 |url-status=live |archive-url=https://web.archive.org/web/20161018065434/https://www.researchgate.net/publication/44610795_Synthesis_of_a_new_element_with_atomic_number_Z__117 |archive-date=18 Oktober 2016 }}</ref> | dm1=17%&nbsp;SF | de1= | pn1= | ps1=
|dm2=83% α | de2= | link2=lawrensium-266 | pn2=266 | ps2=Lr
|dm3=ε? |de3= |link3=ruterfordium-270 |pn3=270 |ps3=Rf}}
|naming=dari [[Dubna]], [[Oblast Moskwa]], Rusia, lokasi dari [[Joint Institute for Nuclear Research]]
|discovered by=secara independen oleh [[Lawrence Berkeley National Laboratory|Laboratorium Nasional Lawrence Berkeley]] dan Joint Institute for Nuclear Research
|discovery date=1970
|QID=Q1232
}}<noinclude>
}}<noinclude>
{{Infobox element/element navigation|symbol=Db}}
{{Template reference list}}
{{Template reference list}}
[[Category:Templat kotak info tabel periodik|Dubnium]][[en:Template:Infobox dubnium]]
[[Kategori:Templat kotak info tabel periodik|Dubnium]]
{{documentation|1=Template:Infobox element/doc}}
[[fa:الگو:جعبه اطلاعات دوبنیم]]


</noinclude>
</noinclude>

Revisi terkini sejak 17 Maret 2023 06.05

105Db
Dubnium
Konfigurasi elektron dubnium
Sifat umum
Pengucapan/dubnium/
Dubnium dalam tabel periodik
Perbesar gambar

105Db
Hidrogen Helium
Lithium Berilium Boron Karbon Nitrogen Oksigen Fluor Neon
Natrium Magnesium Aluminium Silikon Fosfor Sulfur Clor Argon
Potasium Kalsium Skandium Titanium Vanadium Chromium Mangan Besi Cobalt Nikel Tembaga Seng Gallium Germanium Arsen Selen Bromin Kripton
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
Ta
↑
Db
↓
(Upe)
ruterfordium ← dubnium → seaborgium
Lihat bagan navigasi yang diperbesar
Nomor atom (Z)105
Golongangolongan 5
Periodeperiode 7
Blokblok-d
Kategori unsur  logam transisi
Nomor massa[268]
Konfigurasi elektron[Rn] 5f14 6d3 7s2[1]
Elektron per kelopak2, 8, 18, 32, 32, 11, 2
Sifat fisik
Fase pada STS (0 °C dan 101,325 kPa)padat (diprediksi)[2]
Kepadatan mendekati s.k.21,6 g/cm3 (diprediksi)[3][4]
Sifat atom
Bilangan oksidasi(+3), (+4), +5[1][5] (tanda kurung: prediksi)
Energi ionisasike-1: 665 kJ/mol
ke-2: 1547 kJ/mol
ke-3: 2378 kJ/mol
(artikel) (semuanya kecuali yang pertama merupakan perkiraan)[1]
Jari-jari atomempiris: 139 pm (diperkirakan)[1]
Jari-jari kovalen149 pm (diperkirakan)[6]
Lain-lain
Kelimpahan alamisintetis
Struktur kristal ​kubus berpusat badan (bcc) (diprediksi)[2]
Struktur kristal Body-centered cubic untuk dubnium
Nomor CAS53850-35-4
Sejarah
Penamaandari Dubna, Oblast Moskwa, Rusia, lokasi dari Joint Institute for Nuclear Research
Penemuansecara independen oleh Laboratorium Nasional Lawrence Berkeley dan Joint Institute for Nuclear Research (1970)
Isotop dubnium yang utama
Iso­top Kelim­pahan Waktu paruh (t1/2) Mode peluruhan Pro­duk
262Db sintetis 34 dtk[7][8] 67% α 258Lr
33% SF
263Db sintetis 27 dtk[8] 56% SF
41% α 259Lr
3% ε 263mRf
266Db sintetis 20 mnt[8] SF
ε? 266Rf
267Db sintetis 1,2 jam[8] SF
ε? 267Rf
268Db sintetis 28 jam[8] SF
ε? 268Rf
α[9] 264Lr
270Db sintetis 15 jam[10] 17% SF
83% α 266Lr
ε? 270Rf
| referensi | di Wikidata
<nama unsur>PT
 ←
iso0Db
 
 → H

Referensi

Daftar referensi akan muncul dalam artikel utama.
  1. ^ a b c d Hoffman, D. C.; Lee, D. M.; Pershina, V. (2006). "Transactinides and the future elements". Dalam Morss, L.R.; Edelstein, N. M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (edisi ke-3rd). Springer Science+Business Media. hlm. 1652–1752. ISBN 978-1-4020-3555-5. 
  2. ^ a b Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11). Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104. 
  3. ^ Gyanchandani, Jyoti; Sikka, S. K. (10 Mei 2011). "Physical properties of the 6 d -series elements from density functional theory: Close similarity to lighter transition metals". Physical Review B. 83 (17): 172101. doi:10.1103/PhysRevB.83.172101. 
  4. ^ Kratz; Lieser (2013). Nuclear and Radiochemistry: Fundamentals and Applications (edisi ke-3rd). hlm. 631. 
  5. ^ Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. Structure and Bonding. 21: 89–144. doi:10.1007/BFb0116498. ISBN 978-3-540-07109-9. Diakses tanggal 16 Juli 2022. 
  6. ^ "Dubnium". Royal Chemical Society. Diakses tanggal 7 Agustus 2022. 
  7. ^ Münzenberg, G.; Gupta, M. (2011). "Production and Identification of Transactinide Elements". Handbook of Nuclear Chemistry. Springer. hlm. 877. doi:10.1007/978-1-4419-0720-2_19. 
  8. ^ a b c d e "Six New Isotopes of the Superheavy Elements Discovered". Berkeley Lab. 2010. Diarsipkan dari versi asli tanggal 5 Mei 2014. Diakses tanggal 7 Agustus 2022. 
  9. ^ http://flerovlab.jinr.ru/index.php/2020/12/25/she-factory-first-experiment/
  10. ^ Oganessian, Yu. Ts.; Abdullin, F. Sh.; Bailey, P. D.; et al. (2010). "Synthesis of a New Element with Atomic Number Z=117". Physical Review Letters. American Physical Society. 104 (142502). Bibcode:2010PhRvL.104n2502O. doi:10.1103/PhysRevLett.104.142502. PMID 20481935. Diarsipkan dari versi asli tanggal 18 Oktober 2016. 


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