Input interpretation
![chlorine iodine | first ionization energy](../image_source/175a9596d8bce0a92e9cc2297a61cfee.png)
chlorine iodine | first ionization energy
Results
![chlorine | 1251.2 kJ/mol (kilojoules per mole) iodine | 1008.4 kJ/mol (kilojoules per mole)](../image_source/88643cf887b36690ea9162850a54469e.png)
chlorine | 1251.2 kJ/mol (kilojoules per mole) iodine | 1008.4 kJ/mol (kilojoules per mole)
Relative values
![| visual | ratios | | comparisons iodine | | 0.8059 | 1 | 19.41% smaller chlorine | | 1 | 1.2408 | 24.08% larger](../image_source/3a4fa66e292c17b70993218c4db6e5c3.png)
| visual | ratios | | comparisons iodine | | 0.8059 | 1 | 19.41% smaller chlorine | | 1 | 1.2408 | 24.08% larger
Plot
![Plot](../image_source/6e69b1526ded062c59d111eee844ed5c.png)
Plot
Periodic table location
![Periodic table location](../image_source/e781131a873d65a82f56d0e4f44cc0d6.png)
Periodic table location