Ioniccompounds are made up of oppositely charged ions which attract each other to form a crystal lattice structure. The lattice energy is the energy that is released when gaseous ions are combined to form one mole of a solid ionic compound.The magnitude of the lattice energy of an ioniccompounddepends on the magnitude of the charges of the ions, as well as the distance between them. Ranking of the followingioniccompounds by themagnitudeof their lattice energy from highest to lowest can be done using the following method: LiCl: Li+ and Cl- are both small ions, but Li+ has a charge of +1 while Cl- has a charge of -1. Therefore, LiCl has a high lattice energy. MgO: Mg2+ and O2- are both small ions with high charges of +2 and -2, respectively. Hence, MgO has a high lattice energy. Na2O: Na+ and O2- are small ions, but O2- has a charge of -2, while Na+ has a charge of +1. As a result, Na2O has a lower lattice energy than MgO. Be: Be2+ is a small ion with a charge of +2, while O2- is alargerion with a charge of -2. As a result, Be has a lower lattice energy than Na2O. Na2S: S2- is a larger ion with a charge of -2, while Na+ is a small ion with a charge of +1. As a result, Na2S has a lower lattice energy than Be, MgO, and LiCl. Ranking from highest to lowest magnitude of latticeenergyis: MgO > LiCl > Na2O > Be > Na2S.learn more aboutIonichere.brainly.com/question/29523788#SPJ11...

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