This displayed formula does indicate the shape of the ammonia molecule as well as how the three N-H single covalent bonds are arranged, but no relative size of atoms or electronic detail of covalent bond formation by electron sharing.
Now all the atoms are happy with their full outer valence shell.
Atoms will covalently bond with other atoms in order to gain more stability, which is gained by forming a full electron shell. More complex examples can be worked out e. The shared electrons become a common property of both the atoms and constitute a bond between them.
The gain or loss of electrons cannot take place between atoms of same element or those which have similar electronegativities or high ionisation energy. The single electrons on each hydrogen atom then interact with both atomic nuclei, occupying the space around both atoms.
The blue and red bow tied in the middle of the rope, pulled by the two creatures represents--the shared pair of electrons--a single bond. F—F, Cl—Cl It is the weak intermolecular forces that induces condensation below oC and freezing—solidification to form ice crystals below 0oC.
Formation of Covalent Bonds Nonmetal atoms frequently form covalent bonds with other nonmetal atoms. Octet Rule The Octet Rule requires all atoms in a molecule to have 8 valence electrons--either by sharing, losing or gaining electrons--to become stable.