Ionization Energy (IE) KJ/mole |
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Ionization Energy (IE) |
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Li 1.0 | Be 1.5 | B 2.0 | C 2.5 | N 3.0 | O 3.5 | F 4.0 | Ne 0 |
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Li 520 | Be 899 | B 800 | C 1086 | N 1402 | O 1314 | F 1681 | Ne 2080 |
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Na 0.9 | Mg 1.2 | Al 1.5 | Si 1.8 | P 2.1 | S 2.5 | Cl 3.0 | Ar 0 |
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Na 496 | Mg 738 | Al 577 | Si 786 | P 1012 | S 999 | Cl 1256 | Ar 1520 |
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K 0.8 | Ca 1.0 | Ga 1.6 | Ge 1.8 | As 2.0 | Se 2.4 | Br 2.8 | Kr 0 |
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K 419 | Ca 590 | Ga 579 | Ge 761 | As 947 | Se 941 | Br 1143 | Kr 1351 |
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Rb 0.8 | Sr 1.0 | In 1.7 | Sn 1.8 | Sb 1.9 | Te 2.1 | I 2.5 | Xe 0 |
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Rb 403 | Sr 549 | In 558 | Sn 708 | Sb 834 | Te 869 | I 1009 | Xe 1170 |
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Cs 0.7 | Ba 0.9 | Tl 1.8 | Pb 1.9 | Bi 1.9 | Po 2.0 | At 2.2 | Rn 0 |
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Cs 376 | Ba 503 | Ti 589 | Pb 715 | Bi 703 | Po 813 | At (926) | Rn 1037 |
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Fr 0.7 | Ra 0.9 |
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Fr DK | Ra DK |
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1. The d-block and f-block elements are not shown (do not have electronegativity values) |
1. The d-block and f-block elements are not shown and DK is Do not know or find value. |
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3. Ionization energy values above are in KJ/mole. |
Ionization Energy (IE) | |||||||
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1 (1A) | 2 (2A) | 13 (3A) | 14 (4A) | 15 (5A) | 16 (6A) | 17 (7A) | 18 (8A) |
H 1311 | 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 | ||||||