Chlorine, selenium and bromine are located near each other on the periodic table. Which of these elements is (a) the largest atom? (b) the atom with the highest ionization energy? (c) the most electronegative?

because of all the things that happen around the us, many people get into arguments which sadly could get physical, but we should actually make a change for that.

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.