As a result, the transfer of one electron from Na to Cl is favored because both atoms will achieve a more stable electron configuration (full outer orbital shells of eight electrons). Na has one valence electron (an electron in the outermost orbital shell that can take part in bonding) while Cl has seven valence electrons. Consider the example of sodium (Na) bonding with chlorine (Cl) to produce sodium chloride (NaCl), also known as table salt. The ionic bond is a result of an electron transfer from one atom to another. There is no transfer or sharing of electrons involved in a secondary bond. Secondary bonds are formed from the subtle attraction forces between positive and negative charges. Primary bonds are formed when the bonding process involves a transfer or sharing of electrons. Bonds can be separated into two types: primary bonds and secondary bonds. A bond may be defined as a force that holds groups of two or more atoms together, causing them to behave as a single unit. There are several types of bonds to consider when analyzing the chemical composition of a compound.
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