Agriculture Reference
In-Depth Information
Table 7.6
Properties of trace metals and metalloids important in submerged soils
IIIB
IVB
VB
VIB
5
B
[He]2s
2
p
1
2.04 3
VA
VIA
VIIA
VIIIA
VIIIA
VIIIA
IB
IIB
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
33
As
[Ar]3d
10
4s
2
p
3
2.18 3,5
34
Se
[Ar]3d
10
4s
2
p
4
2.55
[Ar]3d
3
4s
2
1.63 4,5
[Ar]3d
5
4s
1
1.66 3,6
[Ar]3d
5
4s
2
1.55 2,3,4
[Ar]3d
6
4s
2
1.83 2,3
[Ar]3d
7
4s
2
1.88 2(,3)
[Ar]3d
8
4s
2
1.91 2(,3)
[Ar]3d
10
4s
1
1.90 (1,)2
[Ar]3d
10
4s
2
1.65 2
−
2,4,6
48
Cd
[Kr]4d
10
5s
2
1.69 2
51
Sb
[Kr]4d
10
5s
2
p
3
2.05 3,5
80
Hg
[Xe]4f
14
5d
10
6s
2
2.00 (1,)2
81
TI
[Xe]4f
14
5d
10
6s
2
p
1
2.04 1,3
82
Pb
[Xe]4f
14
5d
10
6s
2
p
2
2.33 2(,4)
Groups classified by original IUPAC system.
For each element: second row gives electron configuration, third gives electronegativity and important oxidation states.
