Chemistry Review Grade 9 Science

20 Questions | Total Attempts: 3918

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9th Grade Chemistry Quizzes & Trivia

Review of subatomic particle and ion and isotopes families and density


Questions and Answers
  • 1. 
    this subatomic particle has a positive charge
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

    • D. 

      Andreon

    • E. 

      Vladon

  • 2. 
    This subatomic particle has the smallest mass
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

    • D. 

      Emitron

    • E. 

      Stefatron

  • 3. 
    This subatomic particle has a neutral charge
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

    • D. 

      Madetron

    • E. 

      Maron

  • 4. 
    This subatomic particle has a negative charge
    • A. 

      Jakotron

    • B. 

      Dilisitron

    • C. 

      Proton

    • D. 

      Neutron

    • E. 

      Electron

  • 5. 
    A charged atom is called
    • A. 

      A yron

    • B. 

      An ion

    • C. 

      A chargon

    • D. 

      An isotope

    • E. 

      A lucon

  • 6. 
    How neutrons does carbon-14 have?
    • A. 

      6

    • B. 

      7

    • C. 

      8

    • D. 

      14

    • E. 

      0

  • 7. 
    How many neutrons does He-3 have?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      0

  • 8. 
    How many protons does C-13 have?
    • A. 

      13

    • B. 

      6

    • C. 

      7

    • D. 

      8

    • E. 

      0

  • 9. 
    What charge do lithium ions have?
    • A. 

      1-

    • B. 

      1+

    • C. 

      2-

    • D. 

      2+

    • E. 

      0

  • 10. 
    What charge do oxygen ions have?
    • A. 

      1+

    • B. 

      1-

    • C. 

      2+

    • D. 

      2-

    • E. 

      8+

  • 11. 
    Why do atoms form ions
    • A. 

      To attract other ions

    • B. 

      To get charged

    • C. 

      To have a full (stable) outer shell

    • D. 

      To form attractions

    • E. 

      Nobody knows

  • 12. 
    How many electrons are there on the outer shell of a neutral potassium atom
    • A. 

      1

    • B. 

      2

    • C. 

      7

    • D. 

      19

    • E. 

      39

  • 13. 
    The atomic number is always the same as the number of
    • A. 

      Protons +neutrons

    • B. 

      Protons

    • C. 

      Neutrons

    • D. 

      Electrons

    • E. 

      Joeyons

  • 14. 
    The atomic mass is the same as the number of
    • A. 

      Protons + neutrons

    • B. 

      Protons

    • C. 

      Neutrons

    • D. 

      Electrons

    • E. 

      Evans

  • 15. 
    This family does not react.
  • 16. 
    As you move from left to right in a period the atomic radius
  • 17. 
    As you move down the halogens, the reactivity
  • 18. 
    An object with a greater density than the liquid  it is placed in will
  • 19. 
    As you go down a column in the periodic table, the number of shells
  • 20. 
    Which sentence is wrttien in past passive?
    • A. 

      I washed the beaker

    • B. 

      The beaker was washed

    • C. 

      The beaker should be washed

    • D. 

      We was washing the beaker