mmoh8078 mmoh8078 28-03-2024 Chemistry contestada Which choices contain an isoelectronic pair in the ground state? I. Cr +/Mo + II. Cl− /O2−III. Na+ /O 2−IV. Ru2+ /Rh 2+ V. Kr/Sr 2+A) I, V B) III, V C) I, II D) III, IV E) II, IV