H
1
R2O
Very Soft Metal
Rb
85
R2O
Very Soft Metal
Li
7
R2O
Very Soft Metal
Ag
108
R2O
Very Soft Metal
Na
23
R2O
Very Soft Metal
Cs
133
R2O
Very Soft Metal
K
39
R2O
Very Soft Metal
Au
199
R2O
Very Soft Metal
Cu
63
R2O
Very Soft Metal
Be
9.4
RO
Soft Metal
Mg
24
RO
Soft Metal
Ba
137
RO
Soft Metal
Ca
AW: 40
RO
Soft Metal
Hg
200
RO
Soft Metal
Zn
AW: 65
RO
Soft Metal
B
11
R2O3
Metallic
Sr
87
RO
Soft Metal
Al
27.3
R2O3
Metallic
Cd
AW: 112
RO
Soft Metal
Y
88
R2O3
Metallic
In
113
R2O3
Metallic
Si
28
RH4; RO2
Metalloid
Di
138
R2O3
Metallic
Ti
AW: 48
RH4; RO2
Metal
Er
178
R2O3
Metallic
Zr
90
RH4; RO2
Metal
Tl
204
R2O3
Metallic
Sn
118
RH4; RO2
Metal
C
12
RH4; RO2
Non-metal
Ce
140
RH4; RO2
Metal
La
180
RH4; RO2
Metal
V
51
RH3; R2O5
Metal
Pb
207
RH4; RO2
Metal
As
75
RH3; R2O5
Metalloid
Th
231
RH4; RO2
Metallic
Nb
94
RH3; R2O5
Metal
N
14
RH3; R2O5
Nonmetal
Sb
122
RH3; R2O5
Metalloid
P
31
RH3; R2O5
Nonmetal
Ta
182
RH3; R2O5
Metal
Bi
208
RH3; R2O5
Metal
Mo
96
RH2; RO3
Metal
O
16
RH2; RO3
Nonmetal
Te
125
RH2; RO3
Metalloid
S
32
RH2; RO3
Nonmetal
W
184
RH2; RO3
Metal
Cr
52
RH2; RO3
Metal
U
240
RH2; RO3
Metal
Se
78
RH2; RO3
Nonmetal
F
19
RH; R2O7
Halogen
Cl
35.5
RH; R2O7
Halogen
Ce
59
RO4
Metal
Mn
55
RH; R2O7
Metal
Ni
59
RO4
Metal
Br
80
RH; R2O7
Halogen
Cu
AW: 63
RO4
Metal
I
127
RH; R2O7
Halogen
Ru
194
RO4
Metal
Fe
56
RO4
Metal
Rh
104
RO4
Metal
Pd
106
RO4
Metal
Ag
108
RO4
Metal
Os
195
RO4
Metal
In
197
RO4
Metal
Pt
198
RO4
Metal
Au
199
RO4
Metal