MISSED THIS? Read Section 10.4 (Page) . TermValue kJ/mol electron affinity of oxygen, EA1 − 141 electron affinity of oxygen, EA2 744 ionization energy of calcium, IE1 590 ionization energy of calcium, IE2 1145 enthalpy of sublimation for calcium, ΔHsub 178 enthalpy of formation for calcium oxide, ΔH∘f − 634.9 bond energy for oxygen gas (O2 )498 Part A Use the Born-Haber cycle and the data shown to calculate the lattice energy of CaO . Express your answer using three significant figures. View Available Hint(s)for Part A Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type E = nothing kJ/mol