A) sulfur tetrafluoride, SF4 B) iodine trichloride, ICl3 C) nitrogen trifluoride, NF3 D) phosphorus pentafluoride, PF5 E) sulfur dioxide, SO2 ANS: D PTS: 1 DIF: easy REF: 10.2 OBJ: Explain the relationship between dipole moment and molecular geometry. The result of adding iodine to the three solutions. Astatine is placed below iodine in group 7. Predict whether astatine will displace iodine from potassium iodide When an element in group 7 takes part in a reaction, its atom's outer shells gain an electron and form negatively charged ions, called anions.
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