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In the Periodic Table of elements, fluorine and iodine are in the same column, but fluorine is in the second, iodine in the fifth row.

That means fluorine has only nine electrons flying around in orbitals while iodine has 53 of them.

Ionization is the called a process during which a single electron is abstracted - we're now talking about the 1st ionization energy, which is much higher for fluorine. Well, as it only has nine electrons scattered in the orbitals (but according laws, of course), they do not really influence the repelling - attracting actions between the positive center and the other electrons beside them.

For iodine with 53 electrons, they really do interfere with the attraction of other electrons AND as the outmost electrons (which are the ones taken away by ionization) are in those orbitals which are at the biggest distance to the center - for 53 electrons the outmost orbitals is at a much bigger distance... both results in a smaller attraction of the electrions at max distance from the center... so for iodine you need less energy to perform ionization.

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16y ago
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15y ago

Lithium has a first ionization energy of 125 where boron's first ionization energy is 191. This is because Boron has a greater effective nuclear charge, so it takes more energy to remove an electron because there are more protons to hold the electrons down. hope this helps.

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Idris: Shining-Times

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2y ago

No. In general, Flourine has a very high ionization potential. But, the noble gases, like Helium (He) and Neon (Ne) have higher ionization potential than Flourine, Helium having the most as an exception. The electrons in Helium have a negligible amount of electronic repulsion, and the 2 protons cause a greater pull, making it harder to ionize the Helium atom. Thus, Helium has higher ionization potential than Flourine as an exception. Usually the Noble gases and Halogens like Flourine have higher ionization potential in the Modern Periodic Table.

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11y ago

no the ionization level of flourine is higher than chlorine, because it is the farthest away from francium.

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13y ago

Yes. Fluorine has a very high ionization energy while sodium has a very low ionization energy.

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13y ago

No helium actually has the higher ionization energy.

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10y ago

no

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Q: Is the ionization energy of chlorine higher than that of fluorine?
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Which element has a higher first ionization energy than chlorine Cl?

Ionization energy decrease down the group.So in halogens,Fluorine has highest 1st ionization energy.


Why does boron have a higher ionization energy than fluorine?

Because fluorine's size is lower than that of iodine, it has a greater ionization energy than iodine. Fluorine, on the other hand, appears to have a smaller shielding effect. As a result, fluorine's nucleus attracts more valence electrons than iodine's.


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Does fluorine have a higher ionization energy than bromine?

yes because ionization energy increases up and to the left on the periodic table. and fluorine has the highest ionization energy because it is so close to becoming a noble gas it tears off electrons from everything to complete the octete


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Fluorine has higher electron affinity than any other element.


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ionization energies of mg is less than chlorine because chlorine requires only one electron to complete its octet so it will not prefer to loose its electron morover its electronegativity is also higher and it is of smaller size than mg so electtron removal is difficult


Does sodium or chlorine have a higher ionization energy?

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What is the ionizaton energy present example?

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Why does fluorine has higher ionization energy than neon?

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What element has the larger first ionization energy cesium or potassium?

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