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] 4d10 5s2 |
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
|
---|
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
|
---|
|
Seekerhaid
|
---|
|
Miast wurd SI-ianhaiden brükt.
|