Question
Mon March 23, 2015 By: Ashlesha Kumar

How do atoms share elctrons with each other?

Expert Reply
Hanisha Vyas
Tue March 24, 2015

Formation of Covalent Bond

  • When both atoms in a reaction need to gain electrons to complete their octet, sharing of electrons takes place.
  • Let us study how the Chlorine molecule is formed to understand the formation of covalent bond.

Formation of Chlorine Molecule

  • A Chlorine atom has seven electrons in the outermost shell.
  • When two Chlorine atoms combine, they share one electron each to form a shared pair of electron, thus completing both their octets. Hence, the Chlorine molecule exists as Cl2.
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