Which of the following statements is true about one formula unit of RuF2?
A) It is composed of one Ru atom and one F2 molecule.
B) It is composed of one Ru atom and two F atoms.
C) It is composed of one Ru2+ ion and one F22- ion.
D) It is composed of one RuF2 molecule.
E) It is composed of one Ru2+ ion and two F- ions.
Correct Answer:
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