Question 1

Which of the following best describes the arrangement of particles in a crystalline solid?

Accepted Answer

Particles are arranged in a highly ordered, repeating pattern.

Question 2

Which type of solid is most likely to conduct electricity in the solid state?

Accepted Answer

Metallic solid

Question 3

A sample of $$	ext{SiO}_2 is $$hard, does not conduct electricity, and melts at a very high temperature. Which type of solid is this?

Accepted Answer

Covalent network solid

Question 4

Which of the following solids is an example of an amorphous solid?

Accepted Answer

Glass

Question 5

Which of the following best explains why ionic solids like $$	ext{NaCl}$$ have high melting points?

Accepted Answer

Strong electrostatic forces between oppositely charged ions

Question 6

Which of the following is a property of metallic solids?

Accepted Answer

They conduct electricity in both solid and liquid states.

Question 7

Which solid type is characterized by discrete molecules held together by intermolecular forces?

Accepted Answer

Molecular solid

Question 8

Which of the following best describes the bonding in graphite?

Accepted Answer

Covalent bonds within layers and weak forces between layers

Question 9

A solid that is hard, conducts electricity, and has a high melting point is most likely which type of solid?

Accepted Answer

Metallic solid

Question 10

Which of the following is NOT a property of covalent network solids?

Accepted Answer

They are generally soft and have low melting points.

Question 11

Which of the following best describes the structure of an alloy such as bronze?

Accepted Answer

A mixture of metals with metallic bonding

Question 12

Which of the following solids would you expect to be the best electrical conductor at room temperature?

Accepted Answer

Copper

Question 13

Which of the following is a distinguishing property of amorphous solids compared to crystalline solids?

Accepted Answer

They lack a long-range repeating order.

Question 14

Which of the following best describes the bonding in sodium chloride ($$	ext{NaCl}$$)?

Accepted Answer

Electrostatic attraction between oppositely charged ions

Question 15

Which of the following solids is most likely to be malleable and ductile?

Accepted Answer

Copper

Question 16

Which of the following best explains why molecular solids like ice ($$	ext{H}_2	ext{O}) $$have low melting points?

Accepted Answer

They are held together by weak intermolecular forces.

Question 17

Which of the following is a real-world example of a covalent network solid?

Accepted Answer

Diamond

Question 18

Which of the following best describes the electrical conductivity of ionic solids?

Accepted Answer

They conduct electricity when molten or dissolved in water.

Question 19

Which of the following is the major electrostatic force found within an ammonia molecule, $$	ext{NH}_3$$?

Accepted Answer

Covalent bond

Question 20

Which of the following best describes why glass is considered an amorphous solid?

Accepted Answer

It lacks a long-range repeating structure and does not have a sharp melting point.

Atomic, Ionic, and Molecular Solids: Structure and Classification

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