Template:Infobox hassium

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Hassium
Bh ←

ibox Bh

Script error: No such module "Su".Hs  (e)
 → Mt

ibox Mt

File:Mergefrom.svgISOBOX reuse · temporarily taskforce (talk) · Current page: IB-live (hassium) · (edit)
| Article: Hassium  e · h | Isotopes of hassium  e · h | Template: {{Infobox hassium}}  e · h | {{Infobox hassium isotopes}}  e · h |
Useful links: cat:Task list (124) · cat:ref & cmt (0) · CAT:DUPARG · RELC Infobox · RELC Isobox
random todo (ca. 1⁄36): {{[[Template:Infobox Script error: No such module "Random".|Infobox Script error: No such module "Random".]]}}, random all (1⁄124): Og: {{Infobox oganesson}} · (meta: IB <element> · Isobox <element>)
(
)
| check      =
| checknote1 =
ISOBOX reuse taskforce — Helptext
What is this?
(this text box:
)
Per December 2022, a WP:ELEMENTS taskforce is working to re-use isotopes data. Isotopes present in Isobox <element> are reused in Infobox <element> (read & shown, automatically and real-time).
This task is to check whether the reused data indeed has all abandoned data.
The lefthand table is the Isobox(Hs). This data is live, and is shown in both "Isotopes of hassium", and in Infobox (Hs) → "Hassium". File:Green check.svgY
The righthand (middle of page) table is the old "Main isotopes of element" data from Infobox (Hs), which does not show any more and will be deleted. File:Red x.svgN
Todo
  • A. Please compare & check the two tables and sources. Update the lefthand Isobox as needed.
When the situation is unclear or to be researched, leave a comment in |checknote1=.
When OK, add the following to this Infobox page (edit), inside the {{infobox ..}} template code:
{{Infobox uranium
|check     = ok
|checknote1= Not sure about xyz, someone pls take a look
  • B. Old Infobox parameters |isotopes comment=, |isobox ref= to remove.
Deprecated parameters (done)
Tracked in ref & cmt category (0), as blacklisted parameters.
1. Manually copy/paste from Infobox to Isobox:
|isotopes ref=→|isobox ref=
|isotopes comment=→|isotopes comment=
2.These parameters may then be deleted from the Infobox (and so disappear from the category).
For Z>=E119, there is new parameter |theoretical isotopes comment=.
The table rows ({{isotope .. / .. decay2|mn= ..}} &tc.) now have new |ref=, one per isotope.
File:Yes check.svg Done (Cf, F, Pb). For Z>=E119, there is new parameter |theoretical isotopes comment=.
  • C. Align the named references.
TL;DR: Named references must be checked for exact spelling (c/p). Red messages in article References section.
References can be named, defined and reused over four pages: Article, Isotopes of <element>, {{Infobox <element>}}, {{Infobox <element> isotopes}}. In the wikicode, they appear as <ref name="Hofmann2016">..</ref>, and reused as <ref name="Hofmann2016" />.
Those ref name (reused) and ref content (when redefined) must be exactly the same (true copy/paste).
Misspellings appear as red error messages in the references section of the two live articles.
Resolving: these messages are to be removed by checking and copy/pasting the <syntaxhighlight lang="text" class="" id="" style="" inline="1">ref name=</syntaxhighlight> wikicodes.
Sometimes it is easier to remove a reference (already abandoned) from the Infobox completely, after checking it is in the Isobox allright.

Examples demo: IB(U)/s · IB(119)/s · IB(121)/s

Notes
  • |checknote1=My comments is a mini-talk, free to use and expand, to communicate about this element.
|checknote2= same.
  • |check=ok will re-sort this Infobox <element> in the task category from <syntaxhighlight lang="text" class="" id="" style="" inline="1">*</syntaxhighlight> (not ok) to <syntaxhighlight lang="text" class="" id="" style="" inline="1">O</syntaxhighlight> (ok).
Text can be different: |check=todo: foobar, will read as "not ok yet".
  • Please do not remove the isotopes data from the Infobox, and do not edit the meta-templates.
OTOH, |isotopes ref=, |isotopes comment= and abandoned references may be deleted from Infobox <element> (see B, C).
  • Other data can be edited as usual.
Standard atomic weight data is not affected (to be ignored).
  • When all Infoboxes are OK and stable, this Isobox reuse task will be ended, data removed.
ISOBOX hassium File:Green check.svgY (child; reused) live
Iso­tope Decay
abun­dance half-life (t1/2) mode pro­duct
269Hs syn Script error: No such module "val". α 265Sg
270Hs syn Script error: No such module "val". α 266Sg
277mHs syn Script error: No such module "val". SF
IB hassium File:Red x.svgN (old data, hidden) live
 
Abun­dance Half-life (t1/2) Decay mode Pro­duct
269Hs syn 16 s α 265Sg
270Hs syn 9 s α 266Sg
277mHs syn 130 s SF
Hassium, 108Hs
Hassium
Pronunciation/ˈhæsiəm/ (Script error: No such module "Error".)[1] ​(HASS-ee-əm)
Mass number[269] (data not decisive)[lower-alpha 1]
Hassium in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
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
Os
↑
Hs
↓
(Uhb)
bohrium ← hassium → meitnerium
Atomic number (Z)108
Block  [[Block (periodic table)#|]]
Electron configuration[Rn] 5f14 6d6 7s2[4]
Electrons per shell2, 8, 18, 32, 32, 14, 2
Physical properties
Phase at STPsolid (predicted)[5]
Density (near r.t.)27–29 g/cm3 (predicted)[6][7]
Atomic properties
Oxidation states(+2), (+3), (+4), (+6), +8[8][9][10] (Script error: No such module "Engvar".: prediction)
Script error: No such module "Engvar". energies
  • 1st: 730 kJ/mol
  • 2nd: 1760 kJ/mol
  • 3rd: 2830 kJ/mol
  • (more) (predicted)[11]
Atomic radiusempirical: 126 pm (estimated)[12]
Covalent radius134 pm (estimated)[13]
Other properties
Natural occurrencesynthetic
Crystal structure ​hexagonal close-packed (hcp)
(predicted)[5]
CAS Number54037-57-9
History
Namingafter Hassia, Latin for Hesse, Germany, where it was discovered[14]
DiscoveryGesellschaft für Schwerionenforschung (1984)
Main isotopes of hassium
Iso­tope Decay
abun­dance half-life (t1/2) mode pro­duct
269Hs syn Script error: No such module "val". α 265Sg
270Hs syn Script error: No such module "val". α 266Sg
277mHs syn Script error: No such module "val". SF
Script error: No such module "Icon". Category: Hassium
| references
Hassium
Bh ←

ibox Bh

Script error: No such module "Su".Hs  (e)
 → Mt

ibox Mt

indexes by PT (page)
  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Allotropes (demo)
Group (demo)
Period (demo)
Block (demo)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Wikidata *
Symbol etymology (11 non-trivial)
* Not used in {{Infobox element}} (2023-01-01)
See also {{Index of data sets}} · Category:data sets (0)

References

These references will appear in the article, but this list appears only on this page.
  1. ↑ Hassium. The Periodic Table of Videos. University of Nottingham. January 28, 2011. Retrieved October 19, 2012.
  2. ↑ "Radioactive Elements". Commission on Isotopic Abundances and Atomic Weights. 2018. Retrieved 2020-09-20.
  3. ↑ Audi et al. 2017, p. 030001-136.
  4. ↑ Hoffman 2006, p. 1672.
  5. ↑ 5.0 5.1 Östlin, A. (2013). "Transition metals". Electronic Structure Studies and Method Development for Complex Materials (PDF) (Licentiate). pp. 15–16. Retrieved 24 October 2019.
  6. ↑ Gyanchandani, Jyoti; Sikka, S. K. (10 May 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.
  7. ↑ Kratz; Lieser (2013). Nuclear and Radiochemistry: Fundamentals and Applications (3rd ed.). p. 631.
  8. ↑ 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: Springer Science+Business Media. p. 1691. ISBN 978-1-4020-3555-5.
  9. ↑ 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 4 October 2013.
  10. ↑ Düllmann, C. E. (2008). Investigation of group 8 metallocenes @ TASCA (PDF). 7th Workshop on Recoil Separator for Superheavy Element Chemistry TASCA 08. Archived from the original (PDF) on 30 April 2014. Retrieved 28 August 2020.
  11. ↑ Hoffman, Lee & Pershina 2006, p. 1673.
  12. ↑ Hoffman, Lee & Pershina 2006, p. 1691.
  13. ↑ Robertson, M. (2011). "Chemical Data: Hassium". Visual Elements Periodic Table. Royal Society of Chemistry. Retrieved 28 November 2012.
  14. ↑ Emsley, J. (2011). Nature's Building Blocks: An A–Z Guide to the Elements (New ed.). Oxford University Press. pp. 215–217. ISBN 978-0-19-960563-7.
The references of group "lower-alpha":
  1. ↑ The most stable isotope of hassium cannot be determined based on existing data due to uncertainty that arises from the low number of measurements. The confidence interval of half-life of 269Hs corresponding to one standard deviation is, based on existing data, Script error: No such module "val". seconds, whereas that of 270Hs is Script error: No such module "val". seconds. It is also possible that 277mHs is more stable than both of these, with its half-life likely being Script error: No such module "val". seconds, but only one event of decay of this isotope has been registered as of 2016.[2][3]
Source cites for short footnotes:

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