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What kind of solid tends to have the lowest melting points?A.Solids made of moleculesB.Solids made of atomsC.Solids made of ionsD.Solids made of metalsSUBMITarrow_backPREVIOUS

Question

What kind of solid tends to have the lowest melting points?A.Solids made of moleculesB.Solids made of atomsC.Solids made of ionsD.Solids made of metalsSUBMITarrow_backPREVIOUS

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Solution

The kind of solid that tends to have the lowest melting points is A. Solids made of molecules.

Here's why:

A. Solids made of molecules: These solids are held together by relatively weak intermolecular forces, such as dispersion forces, dipole-dipole interactions, and hydrogen bonds. Because these forces are weaker, they require less energy to break, resulting in a lower melting point.

B. Solids made of atoms: These could refer to atomic solids like those made of noble gases. These are held together by weak dispersion forces and have low melting points, but usually higher than molecular solids.

C. Solids made of ions: Ionic solids are held together by strong electrostatic forces between positively and negatively charged ions. These require a lot of energy to break, so ionic solids typically have high melting points.

D. Solids made of metals: Metallic solids are held together by a sea of delocalized electrons, which creates strong metallic bonds. These also require a lot of energy to break, so metallic solids typically have high melting points.

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