Ps Unit 2 Test - 2015 Rebate

10 Questions

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Ps Unit 2 Test - 2015 Rebate

Part 1


Questions and Answers
  • 1. 
    Particles of matter that make up the nucleus of the atom are ___.
    • A. 

      Protons and neutrons

    • B. 

      Protons and electrons

    • C. 

      Electrons and neutrons

    • D. 

      Ions and isotopes

  • 2. 
    All of the mass of the atom is in the ___.
    • A. 

      Nucleus

    • B. 

      Electrons

    • C. 

      Protons

    • D. 

      Electron cloud

  • 3. 
    Atoms of the same element with different numbers of neutrons are called ___.
    • A. 

      Isotopes

    • B. 

      Ions

    • C. 

      Nucleates

    • D. 

      Metalloids

  • 4. 
    An atom that has gained 2 electrons and is now positively charged is specifically called a(n) ___.
    • A. 

      Cation

    • B. 

      Anion

    • C. 

      Antion

    • D. 

      Dogion

  • 5. 
    Given the following information, Iodine - 128, how many electrons are present?
    • A. 

      53

    • B. 

      75

    • C. 

      128

    • D. 

      127

  • 6. 
    An atom that has gained two additional electrons would have a charge of ___.
    • A. 

      +2

    • B. 

      -2

    • C. 

      -6

    • D. 

      None

  • 7. 
    Argon is considered a noble gas and non-reactive. What makes argon such a stable atom?
    • A. 

      8 electrons in outer shell

    • B. 

      More positive thatn negative charge

    • C. 

      More negative than positive charge

    • D. 

      None of these

  • 8. 
    Sodium has 11 electrons total, but only 2 electrons in its first energy level.
    • A. 

      True

    • B. 

      False

  • 9. 
    The elements on the modern Periodic Table are arranged by decreasing atomic number.
    • A. 

      True

    • B. 

      False

  • 10. 
    Electrons farthest from the nucleus have a higher level of energy as compared to other electrons in the atom.
    • A. 

      True

    • B. 

      False