Darmstadtium information

Darmstadtium, ₁₁₀Ds
Darmstadtium
Pronunciation	/dɑːrmˈstætiəm/; (darm-STAT-ee-əm); /dɑːrmˈʃtætiəm/ ⓘ; (darm-SHTAT-ee-əm);
Mass number	[281]
Darmstadtium in the periodic table
	meitnerium ← darmstadtium → roentgenium
Atomic number (Z)	110
Group	group 10
Period	period 7
Block	d-block
Electron configuration	[Rn] 5f14 6d8 7s2 (predicted)
Electrons per shell	2, 8, 18, 32, 32, 16, 2 (predicted)
Physical properties
Phase at STP	solid (predicted)
Density (near r.t.)	26–27 g/cm3 (predicted)
Atomic properties
Oxidation states	(0), (+2), (+4), (+6), (+8) (predicted)
Ionization energies	1st: 960 kJ/mol ; 2nd: 1890 kJ/mol ; 3rd: 3030 kJ/mol ; (more) (all estimated);
Atomic radius	empirical: 132 pm (predicted)
Covalent radius	128 pm (estimated)
Other properties
Natural occurrence	synthetic
Crystal structure	body-centered cubic (bcc) ; (predicted)
CAS Number	54083-77-1
History
Naming	after Darmstadt, Germany, where it was discovered
Discovery	Gesellschaft für Schwerionenforschung (1994)
Isotopes of darmstadtium v; e;
SF90%	–
α6%	277Hs
	Category: Darmstadtium; view; talk; edit; \| references

Darmstadtium is a synthetic chemical element; it has symbol Ds and atomic number 110. It is extremely radioactive: the most stable known isotope, darmstadtium-281, has a half-life of approximately 14 seconds. Darmstadtium was first created in 1994 by the GSI Helmholtz Centre for Heavy Ion Research in the city of Darmstadt, Germany, after which it was named.

In the periodic table, it is a d-block transactinide element. It is a member of the 7th period and is placed in the group 10 elements, although no chemical experiments have yet been carried out to confirm that it behaves as the heavier homologue to platinum in group 10 as the eighth member of the 6d series of transition metals. Darmstadtium is calculated to have similar properties to its lighter homologues, nickel, palladium, and platinum.

^ "darmstadtium". Lexico UK English Dictionary UK English Dictionary. Oxford University Press. Archived from the original on March 8, 2020.
^ Darmstadtium. The Periodic Table of Videos. University of Nottingham. September 23, 2010. Retrieved October 19, 2012.
^ ^a ^b ^c ^d ^e Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands. ISBN 978-1-4020-3555-5.{{cite book}}: CS1 maint: location missing publisher (link)
^ ^a ^b Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11): 113104. Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.
^ Gyanchandani, Jyoti; Sikka, S. K. (May 10, 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. Bibcode:2011PhRvB..83q2101G. doi:10.1103/PhysRevB.83.172101.
^ Kratz; Lieser (2013). Nuclear and Radiochemistry: Fundamentals and Applications (3rd ed.). p. 631.
^ ^a ^b 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. Retrieved October 4, 2013.
^ Chemical Data. Darmstadtium - Ds, Royal Chemical Society
^ Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.

[1] "darmstadtium". Lexico UK English Dictionary UK English Dictionary. Oxford University Press. Archived from the original on March 8, 2020.

[2] Darmstadtium. The Periodic Table of Videos. University of Nottingham. September 23, 2010. Retrieved October 19, 2012.

[Haire-3] Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands. ISBN 978-1-4020-3555-5.{{cite book}}: CS1 maint: location missing publisher (link)

[bcc-4] Östlin, A.; Vitos, L. (2011). "First-principles calculation of the structural stability of 6d transition metals". Physical Review B. 84 (11): 113104. Bibcode:2011PhRvB..84k3104O. doi:10.1103/PhysRevB.84.113104.

[density-5] Gyanchandani, Jyoti; Sikka, S. K. (May 10, 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. Bibcode:2011PhRvB..83q2101G. doi:10.1103/PhysRevB.83.172101.

[kratz-6] Kratz; Lieser (2013). Nuclear and Radiochemistry: Fundamentals and Applications (3rd ed.). p. 631.

[Fricke1975-7] 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. Retrieved October 4, 2013.

[rsc-8] Chemical Data. Darmstadtium - Ds, Royal Chemical Society

[NUBASE2020-9] Kondev, F. G.; Wang, M.; Huang, W. J.; Naimi, S.; Audi, G. (2021). "The NUBASE2020 evaluation of nuclear properties" (PDF). Chinese Physics C. 45 (3): 030001. doi:10.1088/1674-1137/abddae.

Darmstadtium information

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