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Darmstadtium

unsur kimia bernomor atom 110

Darmstadtium (pengucapan: /dɑrmˈʃtætiəm/), sebelumnya disebut Ununnilium, adalah unsur kimia sintetik dalam sistem periodik unsur yang memiliki lambang Ds dan nomor atom 110.

Darmstadtium,  110Ds
Sifat umum
Nama, simboldarmstadtium, Ds
PengucapanDengarkani/dɑːrmˈʃtɑːtiəm/[1]
darm-SHTAHT-ee-əm
Darmstadtium di tabel periodik
Hydrogen (diatomic nonmetal)
Helium (noble gas)
Litium (alkali metal)
Berilium (alkaline earth metal)
Boron (metalloid)
Karbon (polyatomic nonmetal)
Nitrogen (diatomic nonmetal)
Oksigen (diatomic nonmetal)
Fluor (diatomic nonmetal)
Neon (noble gas)
Natrium (alkali metal)
Magnesium (alkaline earth metal)
Aluminium (post-transition metal)
Silikon (metalloid)
Fosfor (polyatomic nonmetal)
Belerang (polyatomic nonmetal)
Klor (diatomic nonmetal)
Argon (noble gas)
Kalium (alkali metal)
Kalsium (alkaline earth metal)
Skandium (transition metal)
Titanium (transition metal)
Vanadium (transition metal)
Kromium (transition metal)
Mangan (transition metal)
Besi (transition metal)
Kobalt (transition metal)
Nikel (transition metal)
Tembaga (transition metal)
Seng (transition metal)
Galium (post-transition metal)
Germanium (metalloid)
Arsenik (metalloid)
Selenium (polyatomic nonmetal)
Bromin (diatomic nonmetal)
Kripton (noble gas)
Rubidium (alkali metal)
Stronsium (alkaline earth metal)
Itrium (transition metal)
Zirkonium (transition metal)
Niobium (transition metal)
Molibdenum (transition metal)
Teknesium (transition metal)
Rutenium (transition metal)
Rodium (transition metal)
Paladium (transition metal)
Perak (transition metal)
Kadmium (transition metal)
Indium (post-transition metal)
Timah (post-transition metal)
Antimon (metalloid)
Telurium (metalloid)
Yodium (diatomic nonmetal)
Xenon (noble gas)
Sesium (alkali metal)
Barium (alkaline earth metal)
Lantanum (lanthanide)
Serium (lanthanide)
Praseodimium (lanthanide)
Neodimium (lanthanide)
Prometium (lanthanide)
Samarium (lanthanide)
Europium (lanthanide)
Gadolinium (lanthanide)
Terbium (lanthanide)
Disprosium (lanthanide)
Holmium (lanthanide)
Erbium (lanthanide)
Tulium (lanthanide)
Iterbium (lanthanide)
Lutesium (lanthanide)
Hafnium (transition metal)
Tantalum (transition metal)
Tungsten (transition metal)
Renium (transition metal)
Osmium (transition metal)
Iridium (transition metal)
Platinum (transition metal)
Emas (transition metal)
Raksa (transition metal)
Talium (post-transition metal)
Timbal (post-transition metal)
Bismut (post-transition metal)
Polonium (post-transition metal)
Astatin (metalloid)
Radon (noble gas)
Fransium (alkali metal)
Radium (alkaline earth metal)
Aktinium (actinide)
Torium (actinide)
Protaktinium (actinide)
Uranium (actinide)
Neptunium (actinide)
Plutonium (actinide)
Amerisium (actinide)
Kurium (actinide)
Berkelium (actinide)
Kalifornium (actinide)
Einsteinium (actinide)
Fermium (actinide)
Mendelevium (actinide)
Nobelium (actinide)
Lawrensium (actinide)
Ruterfordium (transition metal)
Dubnium (transition metal)
Seaborgium (transition metal)
Bohrium (transition metal)
Hasium (transition metal)
Meitnerium (unknown chemical properties)
Darmstadtium (unknown chemical properties)
Roentgenium (unknown chemical properties)
Kopernisium (transition metal)
Nihonium (unknown chemical properties)
Flerovium (post-transition metal)
Moskovium (unknown chemical properties)
Livermorium (unknown chemical properties)
Tenesin (unknown chemical properties)
Oganeson (unknown chemical properties)
 Pt
↑
Ds
↓
(Uhq)
meitnerium ← darmstadtium → roentgenium
Nomor atom (Z)110
Golongan, blokgolongan 10, blok-d
Periodeperiode 7
Kategori unsurunknown, mungkin logam transisi
Bobot atom standar (Ar)[281]
Konfigurasi elektron[Rn] 5f14 6d8 7s2
(pre[2]
per kelopak
2, 8, 18, 32, 32, 16, 2 (pre[2]
Sifat fisika
Fasesolid (pre[3]
Kepadatan mendekati s.k.34.8 g/cm3 (pre[2]
Sifat atom
Bilangan oksidasi8, 6, 4, 2, 0 ​(pre[2][4]
Energi ionisasike-1: 955.2 kJ/mol
ke-2: 1891.1 kJ/mol
ke-3: 3029.6 kJ/mol
(artikel) (semua perkiraan)[2]
Jari-jari atomempiris: 132 pm (pre[2][4]
Jari-jari kovalen128 pm (perkiraan)[5]
Lain-lain
Struktur kristal ​kubus berpusat badan (bcc)
Struktur kristal Body-centered cubic untuk darmstadtium

(pre[3]
Nomor CAS54083-77-1
Sejarah
Penamaanafter Darmstadt, Jerman, tempat ditemukan pertama kali
PenemuanGesellschaft für Schwerionenforschung (1994)
Isotop darmstadtium terstabil
Iso­top Kelim­pahan Waktu paruh (t1/2) Moda peluruhan Pro­duk
281Ds syn 11 s 94% SF
6% α 277Hs
279Ds syn 0.20 s 10% α 275Hs
90% SF
| referensi | di Wikidata

ReferensiSunting

  1. ^ "Darmstadtium". Periodic Table of Videos. The University of Nottingham. Diakses tanggal 19 October 2012. 
  2. ^ a b c d e f Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". Dalam Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (edisi ke-3rd). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN 1-4020-3555-1. 
  3. ^ 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. 
  4. ^ a b Fricke, Burkhard (1975). "Superheavy elements: a prediction of their chemical and physical properties". Recent Impact of Physics on Inorganic Chemistry. 21: 89–144. doi:10.1007/BFb0116498. Diakses tanggal 4 October 2013. 
  5. ^ Chemical Data. Darmstadtium - Ds, Royal Chemical Society

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