Patients who waited more than 6 months to receive cataract surgery experienced more vision loss, a reduced quality of life and had an increased rate of falls compared with patients who had wait times of less than 6 weeks.
Group 16 is the oxygen family. It consists of the elements oxygen, sulfur, selenium, tellurium, and polonium. Each has six of the desired eight electrons required for the octet in its highest energy level.
Solution Preview : Zinc,Cadmium and mercury all three are group 12 elements which belong to the d-block of the periodic table.All these three elements formed oxides either by direct combination with oxygen and...