Which of these compounds is most likely to be covalent? A) Rb₂S B) SrCl₂ C) CS₂ D) CaO E) MgI₂

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The compound C (CS12) is most likely to be covalent because it contains only nonmetals (carbon and sulfur) and therefore the bonding is likely to involve sharing of electrons rather than transfer of electrons as in ionic compounds. The other compounds contain metal ions (Rb+, Sr2+, Ca2+, Mg2+) which are likely to form ionic bonds with nonmetal ions.

Which of These Compounds Is Most Likely to Be Covalent