Eegenskapen
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 ] 4d 10 5s 2
Energii
4,2 eV [ 5]
1. Ionisiarang
867,8 kJ /mol
2. Ionisiarang
1631,4 kJ/mol
Füsikaalisk [ 2]
Tustant
fest
Kristal
hexagonaal
Sachthaid
8,65 g/cm3 (25 °C )[ 6]
Hardhaid
2,0
Magnetismus
diamagneetisk (Χm = −1,9 · 10−5 )[ 7]
Smoltponkt
594,22 K (321,07 °C)
Köögponkt
1038 K[ 8] K (765 °C)
Molaar Rüm
13,00 · 10−6 m3 /mol
Dampwaremk
100 kJ/mol[ 8] kJ/mol
Smoltwaremk
6,2[ 9] 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 [ 2]
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
t1/2
Aktiwiteet
Energii (MeV )
Produkt
106 Cd
1,25 %
stabiil
107 Cd
{syn.}
6,50 h ε 1,417 107 Ag
108 Cd
0,89 %
stabiil
109 Cd
{syn.}
462,6 d ε 0,214 109 Ag
110 Cd
12,49 %
stabiil
111 Cd
12,8 %
stabiil
112 Cd
24,13 %
stabiil
113 Cd
12,22 %
7,7 · 1015 a β− 0,316 113 In
113m Cd
{syn.}
14,1 a β− 0,580 113 In
114 Cd
28,73 %
stabiil
115 Cd
{syn.}
53,46 h β− 1,446 115 In
116 Cd
7,49 %
(3,0±0,3) · 1019 a β− β− 116 Sn
Muar isotoopen bi List faan isotoopen
NMR -Eegenskapen
Seekerhaid
Miast wurd SI -ianhaiden brükt.
Kadmium (faan greks καδμία kadmía ; latiinsk cadmea ) as en cheemisk element mä det ufkörtang Cd an det atoomnumer 48 . Hat as en auergungsmetal .
↑ 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.
↑ 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.
↑ 8,0 8,1 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 .
↑ 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 .
↑ 10,0 10,1 Iindraanj tu Cadmium (pyrophor) uun't GESTIS-dootenbeenk faan't IFA , ufrepen di 9. August 2016 (mä JavaScript) .
↑ Iindrach tu Cadmium uun't Classification and Labelling Inventory faan't Europeesk Chemikaalienagentuur (ECHA), ufrepen di 1. August 2016.