Part A What is the lattice energy? rag the terms on the left to the appropriate blanks on the right to complete the sentences Reset (Help gaseous emitted as heat increasing Lattice energy is associated with forming a crystalline lattice of alternating cations and anions from the ons. Because the cations are positively charged and the anions are negatively charged, there is a of potential - as described by Coulomb's law- when the ions come together to form a lattice. That energy is when the lattice forms.