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Nat2105 [25]
3 years ago
15

Identify the type of solid from the description. Select from the following choices: metallic solid, network solid, molecular sol

id, ionic solid, or amorphous solid. a. This solid is ductile and conducts electricity.b. This solid is not conductive and has a low melting point.
English
1 answer:
Alenkinab [10]3 years ago
7 0

Option A. This solid is ductile and conducts electricity.

Answer: <u><em>Metallic solids</em></u>

Metallic solids have high melting point and also are good conductor of electricity and heat. Metallic solids are structured by metal atoms closely attached due to metallic bond. Example: Iron, copper & aluminum.

There are many forms of metals:

  1. Malleable : They can be molded into materials like sheets i.e by hammering . They can be pressed into shape without being smashed or cracked
  2. Ductile: They can be shaped into wires.
  3. Solid: Most of the metals are solid are room temperature except mercury( which is a liquid).

Metallic solids are ductile and conducts electricity.

Option B. This solid is not conductive and has a low melting point.

Answer:  <em><u>Molecular solid</u></em>

Molecular solids are consist of atoms or molecules. Molecular solids are not conductive and  have low melting point. Example: sucrose

Reason behind not choosing other options:

Iconic solids: Consists of positive and negative icons. Iconic bonds have high melting point and are poor conductors. They are very brittle and hard in form Example: NaCl

Network solids: Consists of atoms connected by covalent bonds. Network solids have high melting point and non/poor conductors. Example: diamonds

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