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Atomic Structure And The Periodic Table

15 Questions
Atomic Structure And The Periodic Table

8th grade EOG Review Quiz- atomic structure and the periodic table

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Questions and Answers
  • 1. 
    The central part of an atom is called the
    • A. 

      Electron

    • B. 

      Neutron

    • C. 

      Proton

    • D. 

      Nucleus

  • 2. 
    The electric charge on a proton is
    • A. 

      Positive

    • B. 

      Neutral

    • C. 

      Negative

    • D. 

      Changing

  • 3. 
    • A. 

      Atomic mass

    • B. 

      Isotope

    • C. 

      Atomic number

    • D. 

      Half-life

  • 4. 
    Nitrogen has the atomic number 7. An isotope of nitrogen containing seven neutrons would be
    • A. 

      Nitrogen-13

    • B. 

      Nitrogen-14

    • C. 

      Nitrogen-15

    • D. 

      Nitrogen-16

  • 5. 
    How do the size of a negative ion compare to the size of the atom that formed it?
    • A. 

      It's smaller

    • B. 

      It's larger

    • C. 

      It's the same size

    • D. 

      It varies

  • 6. 
    The modern periodic table is organized by
    • A. 

      Size of atom

    • B. 

      Atomic mass

    • C. 

      Number of neutrons

    • D. 

      Atomic number

  • 7. 
    Elements in a group have
    • A. 

      A wide range of chemical properties

    • B. 

      The same atomic radius

    • C. 

      Similar chemical properties

    • D. 

      The same number of protons

  • 8. 
    Elements in a period have
    • A. 

      A wide range of chemical properties

    • B. 

      The same atomic radius

    • C. 

      Similar chemical properties

    • D. 

      The same number of protons

  • 9. 
    From left to right in a period, the size of the atom
    • A. 

      Increases

    • B. 

      Decreases

    • C. 

      Remains the same

    • D. 

      Shows no pattern

  • 10. 
    The elements in Group 1 of the periodic table are commonly called the
    • A. 

      Alkali metals

    • B. 

      Transition metals

    • C. 

      Alkaline earth metals

    • D. 

      Rare earth metals

  • 11. 
    • A. 

      10

    • B. 

      15

    • C. 

      20

    • D. 

      30

  • 12. 
    • A. 

      The number of isotopes

    • B. 

      Its atomic number

    • C. 

      Its number of neutrons

    • D. 

      Its atomic mass

  • 13. 
    The atom of what element is in Period 4, Group 13?
    • A. 

      Na

    • B. 

      Ga

    • C. 

      Al

    • D. 

      K

  • 14. 
    What do the elements on the far right of the table (He, Ne, Ar, and Kr) have in common?
    • A. 

      They do not generally react with other elements

    • B. 

      They are liquid in normal conditions

    • C. 

      They are metals that rust easily

    • D. 

      They are very reactive gases

  • 15. 
    • A. 

      16

    • B. 

      17

    • C. 

      18

    • D. 

      19