Lantaan

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Eegenskapen

[Xe] 5d¹6s²

57

La

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

Algemian

Nööm, Symbool, Numer

Lantaan, La, 57

Seerie

Auergungsmetal

Skööl, Periode, Blook

3,6,d

Klöör, Skak

salwern witj

CAS-Numer

7439-91-0

Uundial

17 ppm^[1]

Atomaar^[2]

Atoommase

138,90547(7)^[3]u

Atoomraadius (bereegent)

195 ()pm

Kovalent-Raadius

207 pm

Elektroonen

[Xe] 5d¹6s²

1. Ionisiarang

538,1kJ/mol

2. Ionisiarang

1067 kJ/mol

3. Ionisiarang

1850,3 kJ/mol

Füsikaalisk^[2]

Tustant

fääst

Feranrangen

3

Kristal

hexagonaal

Sachthaid

6,17 g/cm³(20°C)^[4]

Hardhaid

2,5

Magnetismus

paramagneetisk(Χ_m= 5,4 · 10⁻⁵)^[5]

Smoltponkt

1193K(920 °C)

Köögponkt

3743 K^[6]K(3470 °C)

Molaar Rüm

22,39 · 10⁻⁶m³/mol

Dampwaremk

400 kJ/mol^[6]kJ/mol

Smoltwaremk

6,2 kJ/mol

Faard faan a tuun

2475 m/s

Elektrisk struumfeerang

1,626 · 10⁶A/(V · m)

Waremkfeerang

13W/(m · K)

Cheemisk^[2]

Oksidatsionstustant

3

Oksiiden

La₂O₃

Sürofbaasisk

swaak baasisk

Normoolpotentiaal

−2,38V(La³⁺+ 3 e⁻→ La)

Elektronegatiwiteet

1,1 (Pauling-Skala)

Isotoopen

Isotoop	NH	t_1/2	Aktiwiteet	Energii(MeV)	Produkt
¹³⁵La	{syn.}	19,5h	ε	1,200	¹³⁵Ba
¹³⁶La	{syn.}	9,87min	ε	2,870	¹³⁶Ba
¹³⁷La	{syn.}	60.000a	ε	0,600	¹³⁷Ba
¹³⁸La	0,09 %	1,05 · 10¹¹a	ε	1,737	¹³⁸Ba
¹³⁸La	0,09 %	1,05 · 10¹¹a	β⁻	1,044	¹³⁸Ce
¹³⁹La	99,91%	stabiil
¹⁴⁰La	{syn.}	1,6731d	β⁻	3,762	¹⁴⁰Ce
¹⁴¹La	{syn.}	3,92h	β⁻	2,502	¹⁴¹Ce

Muar isotoopen biList faan isotoopen

NMR-Eegenskapen

	Spin (I)	γuun rad·T⁻¹·s⁻¹	E_r(¹H)	f_Lbi B = 4,7T uunMHz
¹³⁸La	5	3,557 · 10⁷	0,00008	13,19
¹³⁹La	7/2	3,808 · 10⁷	0,0605	14,13

Seekerhaid

GHS-Kääntiaken^[7]

Polwer

Gefoor

H- an P-wäärnang

H:260

EUH:014

P:223-231+232-370+378-422^[7]

EU-Gefoorentiaken

ei bekäänd

R- an S-wäärnang

R:?

S:?

Miast wurdSI-ianhaiden brükt.

Lantaanas encheemisk elementmä det ufkörtangLaan detatoomnumer57.Hat as enauergungsmetal.

Elementen mä atoomtaalen faan57bit71sanLantanoiden(iar:Lantaniiden).

Bilen

SIMS-spektrum
Elektroonenskel
Rian lantaan

Luke uk diar

Commonskategorii: Lantaan– 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 uun't infobox kem miast faanwebelements (Lanthan).
↑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. 1219.
↑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.
↑^6,0^6,1Yiming 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.
↑^7,0^7,1Iindraanj tuLanthanuun't GESTIS-dootenbeenk faan'tIFA,ufrepen di 30. 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 uun't infobox kem miast faanwebelements (Lanthan).

[CIAAW-3] CIAAW, Standard Atomic Weights Revised 2013.

[Greenwood-4] N. N. Greenwood, A. Earnshaw:Chemie der Elemente.1. aplaag. VCH, Weinheim 1988,ISBN 3-527-26169-9,S. 1219.

[5] 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.

[Zhang-6] 6,0^6,1Yiming 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-7] 7,0^7,1Iindraanj tuLanthanuun't GESTIS-dootenbeenk faan'tIFA,ufrepen di 30. April 2017(mä JavaScript).

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