The particulate-level diagram shown above best helps to explain which of the following properties of ionic solids?
Question: The particulate-level diagram shown above best helps to explain which of the following properties of ionic solids?
The particulate-level diagram shown above best helps to explain the hardness and brittleness of ionic solids.
Ionic solids are hard because the ions in the crystal lattice are held together by strong electrostatic forces. These forces are so strong that it is difficult to move the ions past each other, which makes ionic solids hard to scratch or dent.
Ionic solids are also brittle because the crystal lattice is relatively inflexible. If an ionic solid is hit with a hammer, the crystal lattice can break, which causes the solid to shatter.
The particulate-level diagram shows how the ions in an ionic solid are arranged in a regular, repeating lattice. This arrangement of ions maximizes the attractive forces and minimizes the repulsive forces between the ions. This arrangement also makes the crystal lattice very rigid.
The hardness and brittleness of ionic solids are important properties that have many applications. For example, ionic solids are used to make tools, abrasives, and construction materials.
Here are some other properties of ionic solids:
- High melting and boiling points: Ionic solids have high melting and boiling points because it takes a lot of energy to break the strong electrostatic forces that hold the ions together.
- Soluble in water: Many ionic solids are soluble in water because the water molecules can solvate the ions, which weakens the electrostatic forces between the ions.
- Good conductors of electricity in molten or aqueous solution: Ionic solids are good conductors of electricity in molten or aqueous solution because the ions are free to move around and carry the electric current.
Overall, the particulate-level diagram shown above best helps to explain the hardness and brittleness of ionic solids. These properties are due to the regular, repeating lattice structure of ionic solids and the strong electrostatic forces that hold the ions together.
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