A. 8 valence electrons
B. 7 valence electrons
C. 2 valence electrons
D. 3 valence electrons
Correct Answer:
Option A – 8 valence electrons
Explanation
A halide ion is a halogen atom bearing a negative charge (which is an anion with a charge of -1). The halide anions are fluoride (F−), chloride (Cl−), bromide (Br−), iodide (I−) andastatide (At−).
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