A polar covalent bond is formed when the difference between electronegativities of two atoms is 0,4 to 1,7.
molecule of iodine is made up of similar kind of iodine atoms .So there is no difference in the electronegativity. Hence,it forms non-polar covalent bond.
Polar covalent bond
When the difference of the electronegativities of the atoms is significanct the bond is covalent polar. The electrons are of course shared.
The difference in electronegativity between th atoms foming the covalent bond leads to the polar nture of the bond. If the atoms are alike then there is NO difference in electronegativity- so - no bond polarity
The bond is called a polar covalent bond. In this type of bond, the electrons are not shared equally between the atoms, leading to one atom having a partial negative charge and the other a partial positive charge.
Hydrogen peroxide (H2O2) has a covalent bond type. Specifically, it forms a polar covalent bond between the oxygen and hydrogen atoms in the molecule.
A covalent bond forms between Cl and P. In this bond, the atoms share electrons to achieve a stable electron configuration.
An ionic bond - sodium and iodine form NaI, containing Na+ and I- ions.
A polar covalent bond is a covalent bond between atoms in which the electrons are shared unequally.
When atoms share two electrons it is called a covalent bond. A covalent bond consists of two types of bond a polar covalent bond and a non polar covalent bond.
In a polar covalent bond the atoms do not share the electrons equally, whereas in a nonpolar covalent bond the atoms do share the electrons equally.
Covalent Bond .
The bond between oxygen atoms is considered as covalent.
In these molecules the difference of the electronegativity between the two atoms is significant.
Polar bond apex :)
If two covalently bonded atoms are identical, the bond is identified as a nonpolar covalent bond.
molecule of iodine is made up of similar kind of iodine atoms .So there is no difference in the electronegativity. Hence,it forms non-polar covalent bond.