ApchemWiki | Periodic Trend Atomic Radii | RecentChanges | Preferences
| Atomic Radii/size Table |
| 1 (1A) |
2 (2A) |
13 (3A) |
14 (4A) |
15 (5A) |
16 (6A) |
17 (7A) |
18 (8A) |
| H 37 |
|
|
|
|
|
|
He 31 |
| Li 152 |
Be 112 |
B 85 |
C 77 |
N 75 |
O 73 |
F 72 |
Ne 71 |
| Na 186 |
Mg 160 |
Al 143 |
Si 118 |
P 110 |
S 103 |
Cl 100 |
Ar 98 |
| K 227 |
Ca 197 |
Ga 135 |
Ge 122 |
As 120 |
Se 119 |
Br 114 |
Kr 112 |
| Rb 248 |
Sr 215 |
In 167 |
Sn 140 |
Sb 140 |
Te 142 |
I 133 |
Xe 131 |
| Cs 265 |
Ba 222 |
Tl 170 |
Pb 146 |
Bi 150 |
Po 168 |
At 140 |
Rn 140 |
| Fr DK |
Ra DK |
|
|
|
|
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Notes:
1. The d-block and f-block elements are not shown and DK is Do not know / find value.
2. First row indicates the names of the column (also called groups or family)
(Ex. 1(1A) indicates Group 1 or sometimes called Group 1A)
3. Atomic radii values above are in picometers (pm).