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As you move down the halogen group from chlorine to iodine, the bond energy decreases because the atomic size increases. With larger atoms, the bonding electrons are farther away from the nucleus, resulting in less attraction and thus weaker bonds. Additionally, the increase in size results in increased electron shielding, reducing the effective nuclear charge experienced by the bonding electrons.

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Q: Why does bond energy decrease from chlorine to iodine?
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Related questions

Does chlorine and iodine form an ionic bond?

Yes, chlorine and iodine can form an ionic bond because chlorine is a halogen in Group 17 of the periodic table and iodine is also a halogen, which makes it possible for them to transfer electrons to form an ionic bond.


What kind of bond exists between chlorine and iodine?

A covalent bond exists between chlorine and iodine. In this type of bond, the atoms share electrons to achieve a stable electron configuration.


Is iodine trichloride a ionic or covalent bond?

Iodine trichloride forms a covalent bond. It consists of two nonmetals (iodine and chlorine) which share electrons to form a molecular compound.


Which one has more electronegative chlorine or iodine?

Chlorine is more electronegative than iodine. This means that chlorine has a greater ability to attract shared electrons in a chemical bond compared to iodine.


What does iodine bond with?

Iodine typically forms bonds with elements like hydrogen, oxygen, and other halogens such as chlorine and fluorine. It commonly forms compounds such as hydrogen iodide (HI), iodine oxide (I2O5), chlorine iodide (ICl), and iodine pentafluoride (IF5).


How many electrons does iodine have in its outer energy level?

Iodine has 7 electrons in its outer energy level.


Is chlorine more electronegative than iodine?

Yes, chlorine is more electronegative than iodine. Chlorine has an electronegativity value of 3.16 on the Pauling scale, while iodine has an electronegativity value of 2.66. This means that chlorine has a greater ability to attract electrons towards itself in a chemical bond compared to iodine.


What type of bond is ICl?

Covalent bond. The difference in electronegativity beween Iodine and Chlorine is less than 0.5, so it is covalent. Also, using a rule of thumb, the compound consists of two nonmetals, which usually siginifies a covalent bond.


What is the formula of Iodine monochloride?

The formula for iodine monochloride is ICl. It is a binary compound formed from one atom of iodine and one atom of chlorine sharing a single covalent bond.


Why does bromine have lower bond enthalpy energy than chlorine?

Bromine has lower bond enthalpy energy than chlorine because bromine has larger atoms with more electron shielding, which results in weaker bonding forces. Additionally, bromine has a longer bond length compared to chlorine, which contributes to a lower bond enthalpy energy.


What 3 elements are likely to bond with cesium?

Chlorine, iodine, and fluorine are likely to bond with cesium.


What atomic or hybrid orbitals make up the sigma bond between you and Cl in iodine pentachloride ICl5?

The sigma bond between iodine and chlorine in ICl5 is formed by the overlapping of a sp3d hybrid orbital from iodine with a p atomic orbital from chlorine. This results in the formation of a sigma bond that allows for maximum overlap and stability between the two atoms.