Question

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 carbon.
two atoms of iodine, one atom of iron, and one atom of carbon.

Explanation:

Step1: Analyze compound formula

The formula FeCl₃ indicates one Fe (iron) and three Cl (chlorine) atoms.

Step2: Check each option

Option 1 is wrong as it's not about multiple molecules of iron - chloride in the formula sense here. Option 2 and 3 wrongly mention carbon instead of chlorine. Option 4 wrongly mentions iodine and carbon.

Answer:

None of the options are correct. The compound FeCl₃ is made of one atom of iron and three atoms of chlorine.