Question

writing and balancing chemical equations
quiz complete
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the compound fecl₃ is made of
○ three molecules of iron chloride.
○ one atom of iron and three atoms of carbon.
○ one atom of iron and three atoms of chlorine.
○ two atoms of iodine, one atom of iron, and one atom of carbon.

Explanation:

Fe is the chemical symbol for iron, and Cl is the symbol for chlorine. The subscript 3 after Cl indicates three chlorine atoms are bonded to one iron atom in the ionic compound FeCl₃.

Answer:

one atom of iron and three atoms of chlorine.