graphite
Graphite is an allotrope of carbon. This topic is part of Chemistry within Science & Nature. This page currently draws on 9 supporting questions, with answers and bonus facts available below.
graphite trivia questions
Graphite is a form of which element?
Answer: Carbon
Bonus fact: Graphite is an allotrope of carbon.
What common writing tool uses graphite?
Answer: Pencil
Bonus fact: Pencil cores are mixtures of graphite and clay.
Why is graphite slippery?
Answer: Its carbon layers slide over one another
Bonus fact: Weak forces between graphene layers allow easy sliding.
Diamond and graphite are different structural forms of the same element. What are such forms called?
Answer: Allotropes
Bonus fact: Allotropes are different structural forms of the same element in the same physical state.
What material forms the writing core of a standard pencil?
Answer: Graphite
Bonus fact: Modern pencils use graphite mixed with clay.
Why are pencils often mistakenly said to contain lead?
Answer: Graphite was historically misidentified as lead
Bonus fact: Early graphite deposits were confused with lead.
What device material is used to slow neutrons in many reactor designs?
Answer: Moderator
Bonus fact: Water or graphite can act as neutron moderators.
Black diamonds get their dark appearance largely from what?
Answer: Numerous dark inclusions
Bonus fact: Graphite and other inclusions can make diamonds appear black.
Which allotrope of carbon does the Royal Society of Chemistry describe as the hardest known material?
Answer: Diamond
Bonus fact: Graphite, another form of carbon, is black, shiny, and soft.