Atomic Structure and Chemistry Quiz
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Questions and Answers

What does an atom retain despite being divided into sub-atomic particles?

  • Its mass
  • Its chemical properties (correct)
  • Its electrical charge
  • Its physical properties

    • What is the original meaning of the word 'atom'?

  • A particle that can be divided into sub-atomic particles
  • A particle that can be created or destroyed
  • A particle with no chemical properties
  • The smallest, indivisible form of a chemical particle (correct)

    • What is an atom according to the provided text?

  • A particle that can be created by chemical change
  • The smallest invisible particle of an element (correct)
  • A particle that lacks the characteristics of the parent element
  • A particle with independent existence

    • What is the Greek origin of the word 'atom'?

    <p>'Atomos', meaning 'unable to be cut'</p> Signup and view all the answers

    What is the ultimate particle of an element according to the provided text?

    <p>Atom</p> Signup and view all the answers

    Study Notes

    Nature of an Atom

    • An atom retains its identity as the fundamental unit of matter, even when divided into subatomic particles like protons, neutrons, and electrons.
    • The atom maintains its chemical properties and elemental identity despite undergoing physical changes.

    Original Meaning of 'Atom'

    • The word 'atom' originates from a Greek term meaning "uncuttable" or "indivisible."
    • This reflects ancient philosophical notions regarding the smallest constituents of matter.

    Definition of an Atom

    • An atom is defined as the smallest unit of an element, serving as the basic building block of matter.
    • Each atom comprises a nucleus (containing protons and neutrons) and electrons that orbit the nucleus.

    Greek Origin of 'Atom'

    • The term 'atom' derives from the Greek word "atomos," emphasizing the idea of something that cannot be divided further.
    • This historical perspective highlights early beliefs in the nature of matter and its indivisible traits.

    Ultimate Particle of an Element

    • The ultimate particle of an element is its respective atom, which determines the properties and behavior of that element.
    • Atoms combine in various ways to form molecules and compounds, establishing the foundation for all matter.

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    Description

    Test your knowledge of atomic structures, molecular mass, acids, and bases with this quiz on the introduction to atomic structure in chemistry. Challenge yourself with questions on the nature of matter, composition, properties, and uses of atoms.

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