Pd - Palladium

Discovered by Wollaston in 1803 in London.

Atomic number - 46 Density g/mL 12
Atomic weight u 106 .4 Melting point K 1825
Bonding radius A 1 .28 Boiling point K 3237
Atomic radius A 1 .79 Heat of vaporization kJ/mol 357
Ionization Potential V 8 .34 Heat of fusion kJ/mol 17 .6
Electronegativity - 2 .2 Specific heat J/gK 0 .24
The oxide is mildly basic.
Crystal are face centered cubic.

Electron config. : [Kr] 4d10


Isotopes of Pd: Click mass number for decay process, product for element page.


093
60 sec
EC,9.500 MeV
Rh-93
92.935909
094
9.0 sec
EC,6.600 MeV
Rh-94
93.928824
095
13.3 sec
EC/ECp,10.200
Rh-95/Ru-94
94.926784
096
122 sec
EC,3.450 MeV
Rh-96
95.918228
097
3.10 min
EC,4.800 MeV
Rh-97
96.916478
098
17.7 min
EC,1.873 MeV
Rh-98
97.912726
099
21.4 min
EC,3.365 MeV
Rh-99
98.911809
100
3.63 da
EC,3.630 MeV
Rh-100
99.908505
101
8.47 hr
EC,1.980 MeV
Rh-101
100.90828
102 1.02%

Stable

101.90560
103
16.991 da
EC,2.660 MeV
Rh-103
102.90608
104 11.14%

Stable

103.90403
105 22.33%

Stable

104.90508
106 27.33%

Stable

105.90348
107
6.5E+6 yr
B-,1.511 MeV
Ag-107
106.90512
108 26.46%

Stable

107.90389
109
13.7012 hr
B-,1.116 MeV
Ag-109
108.90595
110 11.72%

Stable

109.90515
111
23.4 min
B-,2.190 MeV
Ag-111
110.90764
112
21.03 hr
B-,6.800 MeV
Ag-112
111.90731
113
93 sec
B-,3.340 MeV
Ag-113
112.91015
114
2.42 min
B-,1.451 MeV
Ag-114
113.91036
115
25 sec
B-,4.580 MeV
Ag-115
114.91368
116
11.8 sec
B-,2.610 MeV
Ag-116
115.91415
117
4.3 sec
B-,5.700 MeV
Ag-117
116.91787
118
1.9 sec
B-,4.100 MeV
Ag-118
117.91890
119
0.92 sec
B-,6.500 MeV
Ag-119
118.92270
120
0.5 sec
B-,5.000 MeV
Ag-120
119.92399
MASS abund.
Halflife
Particle, Energy
Decay Product(s)
Isotopic Mass