Which of the following contains BOTH ionic and covalent bonds

[From: ] [author: ] [Date: 13-02-26] [Hit: ]

SF6
CaI2
COS
CaSO4
None of the above contain both ionic and covalent bonds.

CaSO4.
Ca is bonded to the sulfate anion (SO4) ionically, but the oxygens are bonded to the sulfur covalently.

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