Key Terms Test Chemical Interactions Chapter 1 Section 1

11 Questions

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Chemical Quizzes & Trivia

CORRECTLY RESPOND TO THE FOLLOWING ITEMS.


Questions and Answers
  • 1. 
    neutrons
    • A. 

      A region of an atom in which electrons of the same energy are likely to be found.

    • B. 

      Negatively charged particles that move around outside the nucleus of an atom.

    • C. 

      Small, positively charged particles that are found in the nucleus of an atom.

    • D. 

      Small, uncharged particles that are found in the nucleus of an atom.

  • 2. 
    Anything that has mass and occupies space is__________.
  • 3. 
    protons
    • A. 

      The smallest particle of an element is called an

    • B. 

      Negatively charged particles that move around outside the nucleus of an atom.

    • C. 

      Small, positively charged particles that are found in the nucleus of an atom.

    • D. 

      The central core of the atom, containing protons and usually neutrons.

  • 4. 
    energy level
    • A. 

      A region of an atom in which electrons of the same energy are likely to be found.

    • B. 

      The central core of the atom, containing protons and usually neutrons.

    • C. 

      Small, positively charged particles that are found in the nucleus of an atom.

    • D. 

      Negatively charged particles that move around outside the nucleus of an atom.

  • 5. 
    An __________ is substance that cannot be broken down into any other substances by chemical or physical means.
  • 6. 
    nucleus
    • A. 

      The smallest particle of an element is called an

    • B. 

      The central core of the atom, containing protons and usually neutrons.

    • C. 

      Anything that has mass and occupies space

    • D. 

      Negatively charged particles that move around outside the nucleus of an atom.

  • 7. 
    A_________ is substance made of two or more elements chemically combined in a specific ratio, or proportion.
  • 8. 
    electrons
    • A. 

      The smallest particle of an element is called an

    • B. 

      Two or more substances that are mixed together but not chemically combined.

    • C. 

      Anything that has mass and occupies space

    • D. 

      Negatively charged particles that move around outside the nucleus of an atom.

  • 9. 
    A _______  is two or more substances that are mixed together but not chemically combined.
  • 10. 
    The smallest particle of an element is called an ___________.
  • 11. 
    scientific theory
    • A. 

      A well-tested idea that explains and connects a wide range of observations.

    • B. 

      The smallest particle of an element is called an

    • C. 

      Two or more substances that are mixed together but not chemically combined.

    • D. 

      A substance made of two or more elements chemically combined in a specific ratio, or proportion.