Question

Define shielding effect in chemistry

Answer 1

Hey mate...

The shielding effect is when the electron and the nucleus in an atom have a decrease in attraction which changes the nuclear charge. An example of shielding effect is in nuclear fission when electrons furthest from the center of the atom are pulled away.

hope this helped u...!

Answer 2

hi

it means as the no. of shells increases the control of nucleus over the outer most shell decreases because the shells present between the nucleus and the outer most shell shields the energy transfered from nucleus to outer most shell.

as we go down the group shielding effect increases

and along the group decreases

hope it helps...