Holmium

Tekst üübÖömrang

Eegenskapen

[Xe] 4f¹¹6s²

67

Ho

Periodensüsteem....Klike üüb son letjen blook för en ööder element

Algemian

Nööm, Symbool, Numer

Holmium, Ho, 67

Seerie

Lantanoid

Skööl, Periode, Blook

La,6,f

Klöör, Skak

salwern witj

CAS-Numer

7440-60-0

Uundial

1,1 ppm^[1]

Atomaar^[2]

Atoommase

164,93033(2)^[3]^[4]u

Atoomraadius (bereegent)

175 (226)pm

Kovalent-Raadius

192 pm

Elektroonen

[Xe] 4f¹¹6s²

1. Ionisiarang

581,0kJ/mol

2. Ionisiarang

1140 kJ/mol

3. Ionisiarang

2204 kJ/mol

Füsikaalisk^[2]

Tustant

fääst

Kristal

hexagonaal

Sachthaid

8,78 g/cm³(25°C)^[5]

Magnetismus

paramagneetisk(Χ_m= 0,049)^[6]

Smoltponkt

1734K(1461 °C)

Köögponkt

2873 K^[7]K(2600 °C)

Molaar Rüm

18,74 · 10⁻⁶m³/mol

Dampwaremk

251 kJ/mol^[7]kJ/mol

Smoltwaremk

17 kJ/mol

Faard faan a tuun

2760 m/s

Elektrisk struumfeerang

1,23 · 10⁶A/(V · m)

Waremkfeerang

16W/(m · K)

Cheemisk^[2]

Oksidatsionstustant

3

Sürofbaasisk

swaakbaasisk

Normoolpotentiaal

−2,33V(Ho³⁺+ 3 e⁻→ Ho)

Elektronegatiwiteet

1,23 (Pauling-Skala)

Isotoopen

Isotoop	NH	t_1/2	Aktiwiteet	Energii(MeV)	Produkt
¹⁶³Ho	{syn.}	4570a	ε	0,003	¹⁶³Dy
¹⁶⁴Ho	{syn.}	29min	ε	0,987	¹⁶⁴Dy
¹⁶⁴Ho	{syn.}	29min	β⁻	0,962	¹⁶⁴Er
¹⁶⁵Ho	100%	stabiil
¹⁶⁶Ho	{syn.}	26,763h	β⁻	1,855	¹⁶⁶Er
¹⁶⁷Ho	{syn.}	3,1h	β⁻	1,007	¹⁶⁷Er

Muar isotoopen biList faan isotoopen

Seekerhaid

GHS-Kääntiaken^[8]

Polwer

Gefoor

H- an P-wäärnang

H:228

EUH:nian EUH-wäärnang

P:210^[8]

EU-Gefoorentiaken

ei bekäänd

R- an S-wäärnang

R:?

S:?

Miast wurdSI-ianhaiden brükt.

Holmiumas encheemisk elementmä det ufkörtangHoan detatoomnumer67.Hat hiart tu alantanoiden.

Bilen

SIMS-spektrum faan aisotoopen
Elektroonenskel
Rian holmium
Holmium

Luke uk diar

Commonskategorii: Holmium– Saamlang faan bilen of filmer

Kwelen

↑Harry H. Binder:Lexikon der chemischen Elemente.S. Hirzel Verlag, Stuttgart 1999,ISBN 3-7776-0736-3.
↑A taalen för't infobox kem miast faanwww.webelements.com (Holmium).
↑IUPAC, Standard Atomic Weights Revised v2(Memento faan di 3. Marts 2016 uun'tInternet Archive).
↑CIAAW, Standard Atomic Weights Revised 2013.
↑N. N. Greenwood, A. Earnshaw:Chemie der Elemente.1. aplaag. VCH, Weinheim 1988,ISBN 3-527-26169-9,S. 1579.
↑Robert C. Weast (Hrsg.):CRC Handbook of Chemistry and Physics.CRC (Chemical Rubber Publishing Company), Boca Raton 1990,ISBN 0-8493-0470-9,S. E-129 bit E-145. Wäärser diar uun g/mol an uuncgs-ianhaiden. Heer amreegent tuSI-wäärs.
↑^7,0^7,1Yiming Zhang, Julian R. G. Evans, Shoufeng Yang:Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks.Uun:Journal of Chemical & Engineering Data.56, 2011, S. 328–337,doi:10.1021/je1011086.
↑^8,0^8,1Iindraanj tuHolmium, Pulveruun't GESTIS-dootenbeenk faan'tIFA,ufrepen di 26. April 2017(mä JavaScript).

[Harry_H._Binder-1] Harry H. Binder:Lexikon der chemischen Elemente.S. Hirzel Verlag, Stuttgart 1999,ISBN 3-7776-0736-3.

[2] A taalen för't infobox kem miast faanwww.webelements.com (Holmium).

[IUPAC-3] IUPAC, Standard Atomic Weights Revised v2(Memento faan di 3. Marts 2016 uun'tInternet Archive).

[CIAAW-4] CIAAW, Standard Atomic Weights Revised 2013.

[Greenwood-5] N. N. Greenwood, A. Earnshaw:Chemie der Elemente.1. aplaag. VCH, Weinheim 1988,ISBN 3-527-26169-9,S. 1579.

[6] Robert C. Weast (Hrsg.):CRC Handbook of Chemistry and Physics.CRC (Chemical Rubber Publishing Company), Boca Raton 1990,ISBN 0-8493-0470-9,S. E-129 bit E-145. Wäärser diar uun g/mol an uuncgs-ianhaiden. Heer amreegent tuSI-wäärs.

[Zhang-7] 7,0^7,1Yiming Zhang, Julian R. G. Evans, Shoufeng Yang:Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks.Uun:Journal of Chemical & Engineering Data.56, 2011, S. 328–337,doi:10.1021/je1011086.

[GESTIS-8] 8,0^8,1Iindraanj tuHolmium, Pulveruun't GESTIS-dootenbeenk faan'tIFA,ufrepen di 26. April 2017(mä JavaScript).

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