C-04-Q089mediumsingle_mcqThe reaction Cl(1s22s22p63s23p5)+e−→Cl−(1s22s22p63s23p6)\text{Cl}(1s^2 2s^2 2p^6 3s^2 3p^5) + e^- \rightarrow \text{Cl}^-(1s^2 2s^2 2p^6 3s^2 3p^6)Cl(1s22s22p63s23p5)+e illustrates—acation formationbelectron donationcanion formationdcovalent sharing