CBSE Class 11-science Answered
lattice-energy
Asked by annamirf | 25 Jan, 2012, 12:50: AM
Expert Answer
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The energy given off when oppositely charged ions in the gas phase come together to form a solid.
As you move down a group, lattice energy decreases.
WHY? - The atomic radius increases as you move down a group. Since the square of the distance is inversely proportional to the force of attraction, lattice energy decreases as the atomic radius increases.
Answered by | 25 Jan, 2012, 09:46: AM
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