Answer :
Bonds are formed by valence electrons of
interacting atoms. That is option C.
Bonding occurs to give both atoms a more stable electron configuration. That is option D.
Chemical bond is defined as the link or attraction that exist between atoms, ions or molecules that usually leads to the formation of new chemical compounds.
There are different types of chemical bonds which include:
- Covalent bonding: This bond is formed when the outermost electrons of one element shares it's electrons with the another element.
Therefore, bonds are formed by valence electrons of interacting atoms.
- ionic bonding: Here, electrons from the outermost shell of one element is transferred to another element to gain stability of the octet rule.
Octet rule states that the total number of the electrons in the outermost shell should be equal to eight to maintain a stable electron configuration.
Therefore, bonding occurs to give both atoms more stable electron configuration.
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