Which element has the higher shielding: chlorine or tin?

Chlorine.

Explanation:

Hello,

In this case, since electron shielding accounts for the atom's inner electrons capacity to shield its positively-charged nucleus from its valence electrons, when analyzing the rightwards periods in the periodic table, the shielding increases as a result of an increase in the number of electrons, causing an easier ionization of the valence electrons.

In such a way, since chlorine is located at the right of tin we can say it has more valence electrons and therefore a higher shielding.

Best regards.

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

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.