For the ionic compound indicated, write the ion formulas, including charge, that make up the compound. Also indicate how many of each ion makes up the compound in. AgCl: Cation anion

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30litre of li2o is 1.0002mole approximately 1 mole

The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.