>Jähmefyysikko: make the etymology more concise (the word is medieval, so "19th century" sounds incorrect)

2024-10-06T05:11:39Z

make the etymology more concise (the word is medieval, so "19th century" sounds incorrect)

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{{Infobox element
|symbol =Ru
|Z =44
|number =44
|name =ruthenium
|abundance=
|abundance in earth's crust=
|abundance in oceans=
|abundance in solar system=
|left=[[technetium]]
|right=[[rhodium]]
|above=[[iron|Fe]]
|below=[[osmium|Os]]
|image name=Ruthenium a half bar.jpg
|appearance=silvery white metallic
|electrons per shell=2, 8, 18, 15, 1
|density=12.364 g/cm3<ref name="Arblaster 2018" />
|density conditions=(at 20° C)
|density gpcm3nrt=
|density gpcm3mp=10.65
|melting point K=2607
|melting point C=2334
|melting point F=4233
|boiling point K=4423
|boiling point C=4150
|boiling point F=7502
|heat fusion=38.59
|heat vaporization=619
|heat capacity=24.06
|vapor pressure 1=2588
|vapor pressure 10=2811
|vapor pressure 100=3087
|vapor pressure 1 k=3424
|vapor pressure 10 k=3845
|vapor pressure 100 k=4388
|vapor pressure comment=
|crystal structure=hexagonal close packed
|crystal structure Pearson symbol=hP2
|lattice constants=''a'' = 270.58 pm ''c'' = 428.16 pm (at 20 °C)<ref name="Arblaster 2018">{{cite book |last=Arblaster |first= John W. |title=Selected Values of the Crystallographic Properties of Elements |publisher=ASM International |publication-place=Materials Park, Ohio |date=2018 |isbn=978-1-62708-155-9}}</ref>
|electronegativity=2.2
|number of ionization energies=3
|ionization energy 1=710.2
|ionization energy 2=1620
|ionization energy 3=2747
|atomic radius=134
|covalent radius=146±7
|magnetic ordering=[[paramagnetic]]
|magnetic ordering ref=<ref name=crc2>Haynes, p. 4.130</ref>
|electrical resistivity unit prefix=n
|electrical resistivity at 0=71
|thermal conductivity=117
αa 5.77
αc 8.80
αavr 6.78
|thermal expansion=
|thermal expansion comment={{val|6.78|e=−6}}/K (at 20 °C)<ref name="Arblaster 2018" />{{efn|text=The thermal expansion is [[Anisotropy|anisotropic]]: the parameters (at 20 °C) for each crystal axis are α''a'' = {{val|5.77|e=−6}}/K, α''c'' = {{val|8.80|e=−6}}/K, and αaverage = αV = {{val|6.78|e=−6}}/K.<ref name="Arblaster 2018" />}}
|thermal expansion at 25=
|speed of sound rod at 20=5970
|magnetic susceptibility= {{val|+39|e=−6}}
|magnetic susceptibility ref= (298 K)<ref name=crc2/>
|Young's modulus=447
|Shear modulus=173
|Bulk modulus=220
|Poisson ratio=0.30
|Mohs hardness=6.5
|Brinell hardness=2160
|CAS number=7440-18-8
|naming=from Latin ''[[Ruthenia]]'' for [[Russian Empire|Russia]]<ref name=Lewis2019>{{Cite journal |last=Lewis |first=David E. |date=2019-09-02 |title=The Minor Impurity in Spent Ores of the “Siberian Metal”: Ruthenium Turns 175 |url=https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/chem.201901922 |journal=Chemistry – A European Journal |language=en |volume=25 |issue=49 |pages=11394–11401 |doi=10.1002/chem.201901922 |issn=0947-6539}}</ref><ref name=Pitchkov1996>{{Cite journal |last=Pitchkov |first=By V. N. |date=1996-10-01 |title=The Discovery of Ruthenium: “I Named The New Body, in Honour of my Motherland” |url=https://technology.matthey.com/content/journals/10.1595/003214096X404181188 |journal=Platinum Metals Review |language=en |volume=40 |issue=4 |pages=181–188 |doi=10.1595/003214096X404181188 |issn=0032-1400}}</ref>
|discovery and first isolation by=[[Karl Ernst Claus]]
|discovery date=1844
|QID=Q1086
}}<noinclude>
{{Infobox element/element navigation|symbol=Ru}}

==Notes==
{{Notelist}}
{{Template reference list}}
{{documentation|1=Template:Infobox element/doc}}
</noinclude>

Template:Infobox ruthenium - Revision history

>Jähmefyysikko: make the etymology more concise (the word is medieval, so "19th century" sounds incorrect)