Questions for Allotropes of Carbon - Diamond and Graphite

1. What is the main focus of the video?
https://youtu.be/tGH0mXCcEFU?list=PLidqqIGKox7WeOKVGHxcd69kKqtwrKl8W

• The structure and properties of carbon

• The different allotropes of carbon

• How carbon conducts electricity

• The melting point of carbon

What are allotropes?

• Different forms of the same element

• Atoms bonded together

• Structures with free electrons

• Layers of Graphite

Which two allotropes of carbon are discussed in the video?

• Diamond and fullerenes

• Graphene and fullerenes

• Diamond and Graphite

• Graphene and Graphite

What type of structure do diamond and graphite have in common?

• Ionic Structure

• Metallic Structure

• Covalent Structure

• Molecular Structure

Why is diamond very strong?

• It has free electrons that can move around

• It has a regular 3D pattern of covalently bonded atoms

• It is made up of hexagon arranged in layers

• It has a high melting point

Why doesn't diamond conduct electricity?

• It has no free electrons or ions that can move around

• It has weak bonds between its layers

• It has a low melting point

• It has a molecular structure

What makes graphite relatively soft compared to diamond?

• Its hexagonal structure

• Its high melting point

• Its weak intermolecular force of attraction (van der waals) between layers

• Its covalent bonds

How does graphite conduct electricity?

• It has a regular 3D pattern of covalently bonded atoms

• It has free electrons that can move around

• It has a low melting point

• It has a metallic structure

What is a single layer of graphite called?

• Diamond

• Fullerenes

• Graphene

• Hexagons

What can scientist makes using individual layers of graphene?

• Diamonds

• Spheres and tubes

• Fullerenes

• Hexagons