Answer:
[tex] \fbox{C. NaF}[/tex]
Explanation:
What are ionic compounds?
Ionic compounds are those compounds formed by the complete transfer of electrons. It generally occurs due to the large difference in electronegativity of two atoms.
What are covalent compounds?
Covalent compounds are those compounds where a share of electrons (not a complete transfer) takes place. It generally occurs due to a very small difference in electronegativity of two atoms.
Electronegativity of different elements:
From the above data, we can see that there is a vast difference in electronegativity between flourine and sodium, hence the compound formed, i.e., NaF, is an ionic compound.
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