What minimum amount of AX(s) lattice energy might lead to compound formation if you predict that the following hypothetical ionic compound AX is unlikely to form. In this compound, A forms the A+ cation, and X forms the X?anion.
The first ionization energy of A(g) is 400 kJ/mol.
The electron affinity of X(g) is ?525 kJ/mol. The lattice energy of AX(s) is 100 kJ/mol.