Question

which has more energy last electron of Cl minus or last electron of O2 minus

Answer 1

Answer:

LAST ELECTRON OF Cl- will have more ENERGY THAN THAT KF LAST ELECTRON OF O-2.

Explanation:

The farther the electron is, the more potential energy it have.

In this case The last electron of Cl- is present in 3rd shell while the last electron of O-ors present in The second shell. T

Hope you understand.

Answer 2

Answer:

Lasst electron of Cl^- will have more energy than last electron of O^2- bcoz last electron of chlorine is in 3p orbital so it will have more energy than last electron of oxygen which is in 2p orbital.