Does the chemical symbol of the element beryllium correspond to the name of the element?

As you move from right to left on the periodic table the atomic radius fill in the blank

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?

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