illustrate formation of covalent bond with example
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A covalent bond forms when the difference between the electronegativities of two atoms is too small for an electron transfer to occur to form ions. Shared electrons located in the space between the two nuclei are called bonding electrons. The bonded pair is the “glue” that holds the atoms together in molecular units.
Explanation:
Methane molecule (CH4) The electronic configuration of carbon is 2,4. It needs 4 more electrons in its outer shell to be like the noble gas neon. Water molecule (H2O) One oxygen atom joins with two hydrogen atoms. Carbon dioxide (CO2) One carbon atom joins with two oxygen atoms.
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