What Is a Lattice Energy Trend?


Quick Answer

Lattice energy trend is a trend that is seen in the periodic table as readers move down the group. Lattice energy is known as the energy that's released when oppositely charged ions in the gaseous state form a solid. The energy between ions can be calculated with the help of Coulomb’s Law.

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Full Answer

The lattice energy decreases as individuals move down a specific group in the periodic table. This is due to the fact that atomic radius increases during downward movements. It should also be noted that lattice energy increases with an increase in the magnitude of the charge. It's true for both positive and negative charges. Lattice energy is the energy needed to convert the crystal into atoms or molecules. This is, however, the older version of the definition. The new definition is a bit different because lattice energy is defined as the energy needed to form the crystals from ions, atoms or molecules. In any case, it means one and the same thing. The lattice energy for ionic crystals is much greater than solids. This implies that sodium chlorine has higher lattice energy than sugar. It isn't possible to find the exact magnitude of lattice energy since it isn't possible (experimentally) to create ions or atoms.

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