Q. If two covalently bonded atoms are identical the bond is?
1. Polar Covalent bond
2. Nonpolar Covalent bond
3. Dipolar bond
4. Nonionic bond
Answer: 2 (Nonpolar Covalent bond).
Explanation: If two covalently bonded atoms are identical (eg. Iodine) , then the bond is a nonpolar covalent bond. Two iodine atoms (See the above figure) exhibit equal share of valence electrons (equal electron density); hence, the bond is non polar. If the electron-sharing atoms show an unequal attraction for the electrons, then the bond between these two atoms is a polar covalent bond.
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