An element with the smallest anionic (negative-ionic) radius would be found on the periodic table in group 3, period 4. group 17, period 2. group 1, period 7. group 5, period 3.

The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia