Arrange the following substances in order of decreasing magnitude of lattice energy.

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KBr, RbI, MgO, CaO
asked Apr 5, 2012 in General Chemistry by Kist Nus ~Expert~ (641 points)

1 Answer

+1 vote
Best answer

MgO, CaO, KBr, RbI. - Lattice energy increases when the atomic radius of the element decreases because the distance between the two elements in the compound decreases.

answered Apr 5, 2012 by Kist Nus ~Expert~ (641 points)