Lattice energy Original Scenario-Based Download PDF

Questions

1. 1.

   During an orbital survey of the molten exoplanet Pyros-4, planetary engineers must coat an atmospheric probe with an ultra-refractory ionic crystal that maximizes lattice energy to resist thermal dissociation. They evaluate four candidate ionic solids composed of simple main-group ions: $\text{NaCl}$, $\text{CaO}$, $\text{MgO}$, and $\text{BaO}$. Based on the periodic trends and Coulombic principles that govern ionic lattice stability, which compound exhibits the greatest magnitude of lattice energy?

   • A) $\text{NaCl}$
   • B) $\text{CaO}$
   • C) $\text{MgO}$
   • D) $\text{BaO}$