Lesson Worksheet: Lattice Energies of Ionic Solids Chemistry • 10th Grade
In this worksheet, we will practice defining the lattice energy of an ionic solid and describing how its value varies with ion size and charge.
Q1:
The lattice energy of is 1,023 kJ/mol, and the distance is 201 pm. crystallizes in the same structure as but with a distance of 205 pm. Which of the following values most closely approximates the lattice energy of ?
Q2:
The formation of an ionic lattice from a metal and a nonmetal can be divided into four stages:
- Conversion of elements to gaseous atoms
- Removal of electrons from metal atoms
- Addition of electrons to nonmetal atoms
- Formation of a lattice from gaseous ions
Which two stages are typically exothermic?
- A1 and 3
- B2 and 4
- C1 and 2
- D2 and 3
- E3 and 4
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