Q2 Bell Work Test

44 Questions | Total Attempts: 41

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Work Quizzes & Trivia

Test over quarter 2 bell work starting 10/21 through 12/8


Questions and Answers
  • 1. 
    The principle quantum # (n) is the number of the energy level and tells us the ______ of the electron cloud
    • A. 

      Shape

    • B. 

      Size

    • C. 

      Orientation

  • 2. 
    Which one correctly represents the 4 quantum #s for mercury (Hg)?
    • A. 

      4,1,1,-1/2

    • B. 

      4, 3, -3, 1/2

    • C. 

      5, 2, 2, -1/2

  • 3. 
    The outer most electrons in an atom are called
    • A. 

      Valence

    • B. 

      Octet

    • C. 

      Quantum

  • 4. 
    The idea that no 2 electrons can have the same set of quantum #s is called
    • A. 

      Graham's law

    • B. 

      Pauli's exclusion principle

    • C. 

      Heisenburg's Uncertainty Principle

  • 5. 
    Who stated that matter is made up of waves and particles?
    • A. 

      Einstein

    • B. 

      De Broglie

    • C. 

      Dalton

  • 6. 
    The ejection of electrons by metals when light shines on them is called
    • A. 

      The photoelectric effect

    • B. 

      The cathode ray tube experiment

    • C. 

      The gold foil experiment

  • 7. 
    What is a bundle of light energy?
    • A. 

      Quantum

    • B. 

      Photon

    • C. 

      Quark

  • 8. 
    The quantum mechanical model of the atom___
    • A. 

      Defines the exact path of an electron

    • B. 

      Was proposed by Bohr

    • C. 

      Involves probability of finding an electron in a certain position

  • 9. 
    What is the energy needed to remove an electron?
    • A. 

      Ionization energy

    • B. 

      Electronegativity

    • C. 

      Atomic radius

  • 10. 
    The elements with atomic #'s 58-71 are called the
    • A. 

      Alkali metals

    • B. 

      Halogens

    • C. 

      Transition metals

  • 11. 
    Atoms will gain or lose electrons in order to
    • A. 

      Form ionic bonds

    • B. 

      Form covalent bonds

    • C. 

      Complete an octet

  • 12. 
    A positive ion is called
    • A. 

      Anion

    • B. 

      Isotope

    • C. 

      Cation

  • 13. 
    Which of the following group #, valence electrons, and charge is correct?
    • A. 

      Group 15, 5, 3-

    • B. 

      Group 15, 5, 5+

    • C. 

      Group 15, 15, 3-

  • 14. 
    A phosphorus atom needs to gain ______ electrons to achieve a stable octet
    • A. 

      5

    • B. 

      3

    • C. 

      15

  • 15. 
    What is a compound made up of two elements?
    • A. 

      Binary

    • B. 

      Polyatomic

    • C. 

      Ternary

  • 16. 
    What represents the charge on transition metals?
    • A. 

      Exponents

    • B. 

      Subscripts

    • C. 

      Roman numerals

  • 17. 
    To neutralize an acid burn, the safest substance to use would be
    • A. 

      Alcohol

    • B. 

      Strong base

    • C. 

      Baking soda

  • 18. 
    The proper method for treating a hot glass burn would be
    • A. 

      Cold water

    • B. 

      Butter

    • C. 

      Baking soda

  • 19. 
    Which of the following is homogeneous?
    • A. 

      Milk

    • B. 

      Sugar water

    • C. 

      Paper

  • 20. 
    Which of the following is heterogeneous?
    • A. 

      Sugar

    • B. 

      Air

    • C. 

      Ice cream (yummy :)

  • 21. 
    The majority of elements are 
    • A. 

      Metals

    • B. 

      Nonmetals

    • C. 

      Metalloids

  • 22. 
    An example of a physical change would be
    • A. 

      Ice melting

    • B. 

      Wood burning

    • C. 

      Iron rusting

  • 23. 
    An extensive property would be
    • A. 

      Malleability

    • B. 

      Solubility

    • C. 

      Mass

  • 24. 
    An insoluble substance that forms during a chemical reaction that might make your solution cloudy is called a(n)
    • A. 

      Precipitate

    • B. 

      Solute

    • C. 

      Impurity

  • 25. 
    The substance that you start with in a chemical reaction is called
    • A. 

      Ingredients

    • B. 

      Products

    • C. 

      Reactants

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