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.
the four block of periodic table is classified on the base there electonic configuration the group 1 / 1A & amp ; 2 / 2B together with hydrogen form s-block elements.they have 1 / 2 electrons in their outer most shell.the group 3A / 3 to 7A / 17 & amp ; zero group together form P-block they have 3-8 electrons in there outer most oshell.the group 1B ...