The term ionic is used when compounds are formed from a metal element and non metal element because of the transfer of electrons from the metallic to the non metallic elements to become ions
Ionic combination is the process of chemical combination that mostly happens between metals and nonmetals in which metals lose electrons and non metals gain electrons.
Metals are reducing agents because they are highly electropositive. Hence they become ionized by losing electrons to electronegative elements like the non metals
Non metals are oxidizing agents because they become ionized by gaining electrons from electropositive elements, mostly metals.
Therefore, the term ionic is used when compounds are formed from a metal element and non metal element because of the transfer of electrons from the metallic to the non metallic elements to become ions
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