Question

which property is best to use when determining the strength of an ionic bond in a solid?
lattice energy
conductivity
hardness
solubility

Explanation:

Lattice energy is the energy released when one - mole of an ionic solid is formed from its gaseous ions. A higher lattice energy indicates stronger ionic bonds. Conductivity measures the ability to conduct electricity, hardness is related to resistance to deformation, and solubility is about the ability to dissolve in a solvent, none of which directly measure ionic - bond strength like lattice energy does.

Answer:

lattice energy