Respuesta :
Answer:
In polar Covalent bonds, the electrons which are in bonded shifts towards an atom which has more valance electrons.
Explanation:
We know if an atom takes the electron it acquires a negative charge whereas if it gives an electron it acquires a positive charge in the ionic bond. But here we are talking about covalent bonds. Covalent bonds are those in which atoms share the electron instead of completely giving off the electron. If the atoms are identical in case of covalent bond that is 2 hydrogen atoms then this type of bonding is called pure covalent bonds but if the atoms linked in covalent bonds are different then it is called polar covalent bonds.
In this, the bonding electrons will shift towards an atom which has more valence electron thereby acquiring the partial negative charges and the other atom will acquire a partial positive charge. For example, HCl. In this the Chlorine atom is having more valence electron than hydrogen atom, and hence Chlorine atom has a partial negative charge and Hydrogen atom has a partial positive charge.
In polar Covalent bonds, the electrons that are in bonded shifts towards an atom that has more valance electrons.
The following information should be considered:
- We know that the atom takes the electron it acquires a negative charge while on the other hand if it gives an electron it acquires a positive charge in the ionic bond.
- But Covalent bonds are those in which atoms share the electron instead of completely giving off the electron.
- In the case when the atoms are same in case of covalent bond that is 2 hydrogen atoms so this type of bonding is called pure covalent bonds.
- But if the atoms linked in covalent bonds are distinct so it is called polar covalent bonds.
- In this, the bonding electrons will shift towards an atom which has more valence electron thereby acquiring the partial negative charges and the other atom will acquire a partial positive charge.
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