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Showing revision 6
| Ionization Energy (IE) KJ/mole |
| 1 (1A) |
2 (2A) |
13 (3A) |
14 (4A) |
15 (5A) |
16 (6A) |
17 (7A) |
18 (8A) |
| H 1311 |
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He 2372 |
| Li 520 |
Be 899 |
B 800 |
C 1086 |
N 1402 |
O 1314 |
F 1681 |
Ne 2080 |
| Na 496 |
Mg 738 |
Al 577 |
Si 786 |
P 1012 |
S 999 |
Cl 1256 |
Ar 1520 |
| K 419 |
Ca 590 |
Ga 579 |
Ge 761 |
As 947 |
Se 941 |
Br 1143 |
Kr 1351 |
| Rb 403 |
Sr 549 |
In 558 |
Sn 708 |
Sb 834 |
Te 869 |
I 1009 |
Xe 1170 |
| Cs 376 |
Ba 503 |
Ti 589 |
Pb 715 |
Bi 703 |
Po 813 |
At (926) |
Rn 1037 |
| Fr DK |
Ra DK |
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Notes:
1. The d-block and f-block elements are not shown (do not have electronegativity values)
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. DK - Do not know / can't find this value