Eegenskapen
|
|
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] 4f11 6s2
|
1. Ionisiarang
|
581,0 kJ/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 (Χm = 0,049)[6]
|
Smoltponkt
|
1734 K (1461 °C)
|
Köögponkt
|
2873 K[7] K (2600 °C)
|
Molaar Rüm
|
18,74 · 10−6 m3/mol
|
Dampwaremk
|
251 kJ/mol[7] kJ/mol
|
Smoltwaremk
|
17 kJ/mol
|
Faard faan a tuun
|
2760 m/s
|
Elektrisk struumfeerang
|
1,23 · 106 A/(V · m)
|
Waremkfeerang
|
16 W/(m · K)
|
Cheemisk [2]
|
Oksidatsionstustant
|
3
|
Sür of baasisk
|
swaak baasisk
|
Normoolpotentiaal
|
−2,33 V (Ho3+ + 3 e− → Ho)
|
Elektronegatiwiteet
|
1,23 (Pauling-Skala)
|
Isotoopen
|
|
Muar isotoopen bi List faan isotoopen
|
Seekerhaid
|
|
Miast wurd SI-ianhaiden brükt.
|
Holmium as en cheemisk element mä det ufkörtang Ho an det atoomnumer 67. Hat hiart tu a lantanoiden.
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SIMS-spektrum faan a
isotoopen
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Elektroonenskel
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Rian holmium
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Holmium
- ↑ Harry H. Binder: Lexikon der chemischen Elemente. S. Hirzel Verlag, Stuttgart 1999, ISBN 3-7776-0736-3.
- ↑ A taalen för't infobox kem miast faan www.webelements.com (Holmium) .
- ↑ IUPAC, Standard Atomic Weights Revised v2 (Memento faan di 3. Marts 2016 uun't Internet 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 uun cgs-ianhaiden. Heer amreegent tu SI-wäärs.
- ↑ 7,0 7,1 Yiming 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 8,1 Iindraanj tu Holmium, Pulver uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 26. April 2017 (mä JavaScript).