Kadmium

Kadmium (faan greks καδμία kadmía; latiinsk cadmea) as en cheemisk element mä det ufkörtang Cd an det atoomnumer 48. Hat as en auergungsmetal.

Tekst üüb Öömrang

Eegenskapen

[Kr] 4d¹⁰ 5s²

48

Cd

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

Algemian

Nööm, Symbool, Numer

Kadmium, Cd, 48

Seerie

Auergungsmetal

Skööl, Periode, Blook

12, 5, d

Klöör, Skak

salwer-grä metalen

CAS-Numer

7440-43-9

ATC-Code

D11 AC02

Uundial

0,3 ppm[1]

Atomaar [2]

Atoommase

112,414(4)[3][4] u

Atoomraadius (bereegent)

155 (161) pm

Kovalent-Raadius

144 pm

Van der Waals-Raadius

158 pm

Elektroonen

[Kr] 4d¹⁰ 5s²

Energii

4,2 eV[5]

1. Ionisiarang

867,8 kJ/mol

2. Ionisiarang

1631,4 kJ/mol

Füsikaalisk [6]

Tustant

fest

Kristal

hexagonaal

Sachthaid

8,65 g/cm³ (25 °C)[7]

Hardhaid

2,0

Magnetismus

diamagneetisk (Χ_m = −1,9 · 10⁻⁵)[8]

Smoltponkt

594,22 K (321,07 °C)

Köögponkt

1038 K[9] K (765 °C)

Molaar Rüm

13,00 · 10⁻⁶ m³/mol

Dampwaremk

100 kJ/mol[9] kJ/mol

Smoltwaremk

6,2[10] kJ/mol

Faard faan a tuun

2310 m/s bi 293,15 K

Elektrisk struumfeerang

14,3 · 10⁶ A/(V · m)

Waremkfeerang

97 W/(m · K)

Cheemisk [11]

Oksidatsionstustant

2

Oksiiden

CdO

Sür of baasisk

lacht baasisk

Normoolpotentiaal

−0,403 V (Cd²⁺ + 2 e⁻ → Cd)

Elektronegatiwiteet

1,69 (Pauling-Skala)

Isotoopen

Isotoop	NH	t_1/2	Aktiwiteet	Energii (MeV)	Produkt
¹⁰⁶Cd	1,25 %	stabiil
¹⁰⁷Cd	{syn.}	6,50 h	ε	1,417	¹⁰⁷Ag
¹⁰⁸Cd	0,89 %	stabiil
¹⁰⁹Cd	{syn.}	462,6 d	ε	0,214	¹⁰⁹Ag
¹¹⁰Cd	12,49 %	stabiil
¹¹¹Cd	12,8 %	stabiil
¹¹²Cd	24,13 %	stabiil
¹¹³Cd	12,22 %	7,7 · 10¹⁵ a	β⁻	0,316	¹¹³In
^113mCd	{syn.}	14,1 a	β⁻	0,580	¹¹³In
¹¹⁴Cd	28,73 %	stabiil
¹¹⁵Cd	{syn.}	53,46 h	β⁻	1,446	¹¹⁵In
¹¹⁶Cd	7,49 %	(3,0±0,3) · 10¹⁹ a	β⁻β⁻		¹¹⁶Sn

Muar isotoopen bi List faan isotoopen

NMR-Eegenskapen

	Spin (I)	γ uun rad·T⁻¹·s⁻¹	E_r(¹H)	f_L bi B = 4,7 T uun MHz
¹¹¹Cd	1/2	5,698 · 10⁷	0,00124	21,2
¹¹³Cd	1/2	5,961 · 10⁷	0,00135	22,2

Seekerhaid

GHS-Kääntiaken ütj det EU-föörskraft (EG) Nr. 1272/2008 (CLP),[12] (of ütjwidjet)[13]

(Flam täält bluas för ünstabiil furmen)

Gefoor

H- an P-wäärnang

H: 250-350-330-341-372-410

EUH: nian EUH-wäärnang

P: 273-391-210-260-281-308+313-405-501 [13]

EU-Gefoorentiaken

ei bekäänd

R- an S-wäärnang

R: ?

S: ?

Miast wurd SI-ianhaiden brükt.

Bilen

SIMS-spektrum faan a isotoopen
Elektroonenskel
Rian kadmium

Luke uk diar

Commonskategorii: Kadmium – 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 kem miast faan www.webelements.com (Cadmium) .
CIAAW, Standard Atomic Weights Revised 2013.
IUPAC, Standard Atomic Weights Revised v2 (Memento faan di 3. Marts 2016 uun't Internet Archive).
Ludwig Bergmann, Clemens Schaefer, Rainer Kassing: Lehrbuch der Experimentalphysik, Band 6: Festkörper. 2. Auflage. Walter de Gruyter, 2005, ISBN 3-11-017485-5, S. 361.
A taalen kem miast faan www.webelements.com (Cadmium) .
N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. aplaag. 1988, ISBN 3-527-26169-9, S. 1545.
(ütjden faan) David R. Lide: CRC Handbook of Chemistry and Physics. 90. aplaag. (uun't näät: 2010), CRC Press/Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, S. 4-142 – 4-147. A wäärser diar uun g/mol an uun cgs-ianhaiden. Amreegent tu SI-wäärs.
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.
K.-H. Schulte-Schrepping, M. Piscator: Cadmium and Cadmium Compounds. In: Ullmann's Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag, Weinheim 2005, doi:10.1002/14356007.a04_499.
A taalen kem miast faan www.webelements.com (Cadmium) .
Iindrach tu Cadmium uun't Classification and Labelling Inventory faan't Europeesk Chemikaalienagentuur (ECHA), ufrepen di 1. August 2016.
Iindraanj tu Cadmium (pyrophor) uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 9. August 2016 (mä JavaScript).

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

[2] A taalen kem miast faan www.webelements.com (Cadmium) .

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

[IUPAC-4] IUPAC, Standard Atomic Weights Revised v2 (Memento faan di 3. Marts 2016 uun't Internet Archive).

[5] Ludwig Bergmann, Clemens Schaefer, Rainer Kassing: Lehrbuch der Experimentalphysik, Band 6: Festkörper. 2. Auflage. Walter de Gruyter, 2005, ISBN 3-11-017485-5, S. 361.

[6] A taalen kem miast faan www.webelements.com (Cadmium) .

[Greenwood-7] N. N. Greenwood, A. Earnshaw: Chemie der Elemente. 1. aplaag. 1988, ISBN 3-527-26169-9, S. 1545.

[CRC-8] (ütjden faan) David R. Lide: CRC Handbook of Chemistry and Physics. 90. aplaag. (uun't näät: 2010), CRC Press/Taylor and Francis, Boca Raton, FL, Properties of the Elements and Inorganic Compounds, S. 4-142 – 4-147. A wäärser diar uun g/mol an uun cgs-ianhaiden. Amreegent tu SI-wäärs.

[Zhang-9] 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.

[10] K.-H. Schulte-Schrepping, M. Piscator: Cadmium and Cadmium Compounds. In: Ullmann's Encyclopedia of Industrial Chemistry. Wiley-VCH Verlag, Weinheim 2005, doi:10.1002/14356007.a04_499.

[11] A taalen kem miast faan www.webelements.com (Cadmium) .

[CLP_100.028.320-12] Iindrach tu Cadmium uun't Classification and Labelling Inventory faan't Europeesk Chemikaalienagentuur (ECHA), ufrepen di 1. August 2016.

[GESTIS-13] Iindraanj tu Cadmium (pyrophor) uun't GESTIS-dootenbeenk faan't IFA, ufrepen di 9. August 2016 (mä JavaScript).