Hello, Sap123! Welcome to Wikipedia! Thank you for your contributions to this free encyclopedia. If you decide that you need help, check out Getting Help below, ask me on my talk page, or place {{helpme}} on your talk page and ask your question there. Please remember to sign your name on talk pages by clicking or using four tildes (~~~~); this will automatically produce your username and the date. Finally, please do your best to always fill in the edit summary field. Below are some useful links to facilitate your involvement. Happy editing! Kingturtle (talk) 21:12, 10 November 2008 (UTC)Reply
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Table of covalent radii in picometer (pm)
Group 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Period
1 H
37
He
32
2 Li
134
Be
90
B
82
C
77
N
75
O
73
F
71
Ne
69
3 Na
154
Mg
130
Al
118
Si
111
P
106
S
102
Cl
99
Ar
97
4 K
196
Ca
174
Sc
144
Ti
136
V
125
Cr
127
Mn
139
Fe
125
Co
126
Ni
121
Cu
138
Zn
131
Ga
126
Ge
122
As
121
Se
116
Br
114
Kr
110
5 Rb
211
Sr
192
Y
162
Zr
148
Nb
137
Mo
145
Tc
131
Ru
126
Rh
135
Pd
131
Ag
153
Cd
148
In
144
Sn
141
Sb
138
Te
135
I
133
Xe
130
6 Cs
225
Ba
198
La
169
Hf
150
Ta
138
W
146
Re
159
Os
128
Ir
137
Pt
138
Au
144
Hg
149
Tl
148
Pb
146
Bi
146
Po
-
At
145
Rn
145

Covalent radius

edit

The table that you added looks really pretty, but where do the numbers come from? (I know they come from the German Wikipedia, but where do they come from ultimately?) The don't match the numbers from the table that was already in the article, which come from what I think is the most recent and comprehensive survey of covalent radii. --Itub (talk) 14:00, 17 November 2008 (UTC)Reply

Yes, I noticed that too - but sadly after I had already added the table. I'm not quite sure what to do with it now, it would probably be best to delete the table again and get it up once it's updated with the data from the Cambridge Structural Database. And that's what I'll do now ... --Sap123 (talk) 18:45, 17 November 2008 (UTC)Reply