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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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With malice toward none, with charity for all, with
marysya [2.9K]

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What Lincoln wishes to do through this final sentence of the speech is:

C. stir up emotions about the lives lost in the war and  encourage the listener to help end it.

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This whole excerpt is the final sentence of Lincoln's Address. What the president was doing was inspiring his audience. He wants them to feel responsible for bringing about peace and taking care of the fallen soldiers' families. He wants the nation to be united, Americans to see one another as brothers and sisters. His final sentence is urging the audience to do so. It is their duty to finish the work they have started and accomplish what is best for the whole nation.

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How do the details in this timeline support the authors'
natali 33 [55]

Answer:

The details about the changing laws in France help inform readers that Napoleon wanted to produce sugar cheaply by using enslaved people.

Explanation:

This question is incomplete. According to a different source, this is the complete question:

Read the timeline from Sugar Changed the World.

1789 French Revolution begins with the declaration of the Rights of Man and the Citizen.

1791 Children of free parents in French sugar colonies are granted the full rights of French Citizens, no matter what their color or origin; slavery abolished within borders of France.

1792 French leaders begin to use the guillotine to execute enemies.

1793 Louis XVI executed; Marie Antoinette executed.

1794 Slavery abolished in all French sugar colonies.

1799 Napoleon takes power in France.

1800 Napoleon gains control of the center of North America—the Louisiana Territory from Spain, plans to use it to feed and supply his sugar islands.

1802 Napoleon makes slavery legal again.

How do the details in this timeline support the authors’ purpose?

  • The details about the shift of power in France help persuade readers that France was important to the sugar industry.
  • The details about the changing laws in France help inform readers that Napoleon wanted to produce sugar cheaply by using enslaved people.
  • The details about the French Revolution help inform readers about the process of executing enemies.
  • The details about Marie Antoinette help persuade readers that the French royalty were not well liked.

In this timeline, we are able to examine the ways in which slavery and sugar production developed in France throughout time. First, we see that slavery became incompatible with French values after the declaration of the Rights of Man and the Citizen. This led to some rules regarding slavery changing, until slavery was abolished completely. However, we also learn that Napoleon made slavery legal again when he gained new territories in North America. We can assume that Napoleon's purpose in doing this was to make his colonies more productive, which meant using slave labor to produce sugar cheaply.

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