Symmetry and Chirality in Objects

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Questions and Answers

Which of the following objects is likely to be chiral?

  • A perfectly round ball
  • A butterfly
  • A person
  • A left hand (correct)

Which of these objects would exhibit a plane of symmetry?

  • A person (correct)
  • A hat
  • A person hand or gloves
  • A left hand

What defines a plane of symmetry?

  • A plane that divides an object into two asymmetrical halves.
  • A line that divides an object into two identical halves.
  • A line that makes an object chiral.
  • A plane that cuts through an object, producing two identical halves. (correct)

What term best describes an object that lacks a plane of symmetry?

<p>Chiral (B)</p> Signup and view all the answers

Which statement about chiral objects is correct?

<p>Chiral objects lack a plane of symmetry. (D)</p> Signup and view all the answers

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Study Notes

Symmetry and Chirality

  • A plane of symmetry is a plane that divides an object into two symmetrical halves.
  • Examples of objects with a plane of symmetry include:
    • A person
    • A hat
    • A butterfly
    • A person's hand or gloves
  • An object without a plane of symmetry is called chiral, dissymmetric, or asymmetric.

Chirality

  • A chiral object cannot be superimposed on its mirror image.
  • Example of a chiral object: a left hand.

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