QUIZ: Can You Pass This Basic Science Test?

Which of the following is used in pencils?

71%
Retry Correct Incorrect Graphite, commonly used in pencils, is a crystalline form of the element carbon.
The Washington Post / Contributor
The Washington Post / Contributor

Which of the following is used in pencils?

  • Phosphorous
  • Charcoal
  • Graphite
  • Mercury
71%

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