Use the periodic table to write the electron configuration of selenium se

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.

Of element x has 22 protons, how many electrons does it have