AP Chemistry
1.8 Valence Electrons and Ionic Compounds
1.5 Atomic Structure and Electron Configuration
1.3 Elemental Composition of Pure Substances
A student heats a sample of cobalt metal in the presence of excess chlorine gas to synthesize an anhydrous ionic compound. The resulting product is analyzed and determined to contain \(5.90 \text{ g}\) of \(\text{Co}\) and \(10.65 \text{ g}\) of \(\text{Cl}\). Based on these data, what is the empirical formula of the compound, and what is the ground-state electron configuration of the transition metal cation in this compound?
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