Dubnium

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)
ruterfordiumdubniumseaborgium
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 kristalkubus 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
Dubnium Konfigurasi elektron

Dubnium/Hahnium (pengucapan: /ˈduːbniəm/) adalah unsur kimia dalam sistem periodik unsur yang memiliki simbol Db dan nomor atom 105. Unsur ini merupakan unsur sintetik yang bersifat radioaktif. Nama elemen ini diambil dari nama kota di Rusia, Dubna.

Pranala luar

Referensi

  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. 

Read other articles:

Cuarto de Doña María Luisa localidad Cuarto de Doña María LuisaUbicación de Cuarto de Doña María Luisa en España. Cuarto de Doña María LuisaUbicación de Cuarto de Doña María Luisa en la provincia de Salamanca.País  España• Com. autónoma  Castilla y León• Provincia  Salamanca• Comarca Campo de Yeltes• Partido judicial Ciudad Rodrigo• Municipio Castraz• Mancomunidad Las DehesasUbicación 40

 

Gymnastics at the 1990 Asian GamesVenueCapital Indoor StadiumDates23–26 September 1990← 19861994 → Gymnastics was contested at the 1990 Asian Games, held in Beijing, China from September 23, 1990, to September 26, 1990. Only artistic events were contested. Medalists Men Event Gold Silver Bronze Teamdetails  ChinaGuo LinyaoLi ChunyangLi GeLi JingLi XiaoshuangQiao Liang  JapanYutaka AiharaYoshiaki HatakedaYukio IketaniMasayuki MatsunagaDaisuke NishikawaTos...

 

МуниципалитетЭстриеганаEstriégana Герб 41°03′33″ с. ш. 2°31′21″ з. д.HGЯO Страна  Испания Автономное сообщество Кастилия — Ла-Манча Провинция Гвадалахара Глава Хоакин Траперо Эстебаранс[d] История и география Площадь 16,19 км² Высота 1106 м Часовой пояс UTC+1:00, летом U...

Cet article est une ébauche concernant le musée du Louvre. Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants. Cabaret égyptien de Napoléon IerArtiste Manufacture de SèvresDate 1810Technique PorcelaineLieu de création SèvresMouvement EmpirePropriétaire État françaisNo d’inventaire OA 9493Localisation musée du Louvre, département des objets d'art du Louvre, (Aile Richelieu, 1er étage), salle 555, P...

 

EasyToon Desenvolvedor Keijiro Takahashi Versão estável 1.9.9 BETA 3 (21 de Maio de 2009) Sistema operacional Microsoft Windows Gênero(s) Editor gráfico Licença Freeware Simples exemplo de uma animação no EasyToon O Easytoon é um programa japonês de criação de GIFs monocromáticas, permitindo a criação de pequenas animações. História Foi desenvolvido por Keijiro Takahashi da Radium Software Developments em 1998. Para serem criadas versões futuras, foi disponibilizada o códig...

 

هذه المقالة يتيمة إذ تصل إليها مقالات أخرى قليلة جدًا. فضلًا، ساعد بإضافة وصلة إليها في مقالات متعلقة بها. (مارس 2023) متحف خيرسون للفنون   إحداثيات 46°37′47″N 32°36′34″E / 46.62972222°N 32.60944444°E / 46.62972222; 32.60944444  معلومات عامة الموقع خيرسون  الدولة أوكرانيا  سنة التأ...

Overview of the conflicts between Iglesia ni Cristo and Members Church of God International Since 1980, there have been conflicts between Philippine-based Christian religious organizations Iglesia ni Cristo (Church of Christ, INC) and the Members Church of God International (MCGI), when MCGI Overall Servant Eliseo Soriano started his radio program Ang Dating Daan (ADD). Through his program, he discussed biblical issues and exposed what he believes to be wrong doctrines of other religious grou...

 

In this Spanish name, the first or paternal surname is Sanz-Orrio and the second or maternal family name is y Sanz. You can help expand this article with text translated from the corresponding article in Spanish. (October 2021) Click [show] for important translation instructions. View a machine-translated version of the Spanish article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary...

 

Brandenberger Alpen Rofangebirge Lage der Gruppe innerhalb der Ostalpen (gem. AVE) Lage der Gruppe innerhalb der Ostalpen (gem. AVE) Höchster Gipfel Hochiss (2299 m ü. A.) Lage Tirol, Österreich Teil der Nordtiroler KalkalpenNördliche Ostalpen Einteilung nach AVE: 6SOIUSA: 21.V Koordinaten 47° 32′ N, 11° 53′ O47.53666666666711.8758333333332299Koordinaten: 47° 32′ N, 11° 53′ O f1 Die Brandenberger Alpen sind eine Gebirgsgru...

Energy sources in the country of Iceland The Nesjavellir Geothermal Power Station Iceland is a world leader in renewable energy. 100% of Iceland's electricity grid is produced from renewable resources.[1] In terms of total energy supply, 85% of the total primary energy supply in Iceland is derived from domestically produced renewable energy sources. Geothermal energy provided about 65% of primary energy in 2016, the share of hydropower was 20%, and the share of fossil fuels (mainly oi...

 

American football player (born 1999) Not to be confused with Justin Field. American football player Justin FieldsFields with the Bears in 2022No. 1 – Chicago BearsPosition:QuarterbackPersonal informationBorn: (1999-03-05) March 5, 1999 (age 24)Kennesaw, Georgia, U.S.Height:6 ft 3 in (1.91 m)Weight:227 lb (103 kg)Career informationHigh school:Harrison (Kennesaw)College:Georgia (2018)Ohio State (2019–2020)NFL Draft:2021 / Round: 1 / Pick: 11...

 

No. 516 Squadron RAFActive28 April 1943 – 2 December 1944Country United KingdomBranch Royal Air ForceRolearmy co-operationPart ofNo. 105 (Combined Operations) Wing RAFBaseRAF DundonaldMilitary unit No. 516 Squadron RAF was an army co-operation squadron of the Royal Air Force during the Second World War. History No. 516 Squadron was formed on 28 April 1943 at RAF Dundonald from 1441 (Combined Operations) Flight on 28 April 1943.[1] Its role was to provide realistic training faci...

خط ماجينو البلد فرنسا  أنشئت في 1928  المعارك الحرب العالمية الثانية  تعديل مصدري - تعديل   خط ماجينو بعد انتهاء الحرب العالمية الأولى اعتمدت فرنسا إستراتيجية دفاعية سلبية بإنشاء «خط ماجينو» Ligne Maginot، الذي يُعد نموذجاً للتحصينات الدفاعية الثابتة.[1][2][3] ...

 

The New KidsAlbum kompilasi karya iKONDirilis7 Januari 2019 (2019-01-07)Durasi81:53BahasaKoreanLabelYG EntertainmentProduserB.IKronologi iKON New Kids: The Final(2018) The New Kids(2019) Singel dalam album The New Kids I'm OKDirilis: 7 Januari 2019 Video musikI'm OK di YouTube The New Kids adalah album kompilasi pertama dari grup vokal pria asal Korea Selatan iKON, dirilis oleh YG Entertainment pada tanggal 7 Januari 2019.[1] Album ini merupakan kompilasi dari album singel ta...

 

En électrocinétique, un circuit RLC est un circuit linéaire contenant une résistance électrique, une bobine (inductance) et un condensateur (capacité). Il existe deux types de circuits RLC, série ou parallèle selon l'interconnexion des trois types de composants. Le comportement d'un circuit RLC est généralement décrit par une équation différentielle du second ordre (là où des circuits RL ou circuits RC se comportent comme des circuits du premier ordre). À l'aide d'un générat...

Riki Dhamparan PutraLahir1 Juli 1975 (umur 48)Pasaman, Sumatera BaratKebangsaanIndonesiaPekerjaanSenimanDikenal atasPenyair Riki Dhamparan Putra (lahir 1 Juli 1975) adalah seorang penyair Indonesia.[1][2] Ia meluncurkan buku kumpulan puisi pertamanya yang bertajuk Percakapan Lilin (LP) di Danes Art Veranda, Denpasar, Bali pada Agustus 2004.[1] Fadlillah Malin Sutan di Harian Haluan menyebut Riki bersama E.S. Ito, Raudal Tanjung Banua, Dewi Sartika, Indrian Koto, d...

 

У этого термина существуют и другие значения, см. Риддер. ГородРиддерказ. Риддер Герб 50°20′21″ с. ш. 83°30′21″ в. д.HGЯO Страна  Казахстан Статус город областного подчинения Область Восточно-Казахстанская Городская администрация Риддерская Аким и.о Косантаев Дар...

 

Estrella argéada. La estrella argéada,[1]​ también conocida como sol de Vergina, es una estrella o sol simbólico de dieciséis rayos. Fue desenterrada en 1977 durante unas excavaciones arqueológicas en Vergina, situada en la región de Macedonia (Grecia), por el arqueólogo Manolis Andronikos. El descubrimiento consistía en un cofre de oro con la estrella grabada en su tapa superior. El mismo fue hallado en las tumbas de reyes griegos de Macedonia. Andronikos describió el símbol...

Significant event in early Islam Part of a series onMuhammad Life Mecca Hijrah Medina After Conquest of Mecca Farewell Pilgrimage (Farewell Sermon) Hadith Milestones and records Career Military Diplomatic Miracles Quran (First revelation) Isra and Mi'raj Splitting of the Moon Views Jews Christians Perspectives Islam Bible Judaism Medieval Christian Historicity Criticism Succession Saqifah Ghadir Khumm Companions of Muhammad Hadith of the pen and paper Ahl al-Bayt Praise Salawat Naat Mawlid Re...

 

مقبرة 51 صاحب المقبرة حيوانات الموقع الوادي الشرقي بوادي الملوك المكتشف إدوارد راسل آيرتون تاريخ الاكتشاف يناير 1906 المقبرة السابقة مقبرة 50 لمقبرة التالية مقبرة 52 تعديل مصدري - تعديل   المقبرة رقم 51 و المعروفة علمياً بالرمز KV51 هي مقبرة مصرية قديمة تقع في وادي الملوك في مص...

 

Strategi Solo vs Squad di Free Fire: Cara Menang Mudah!