The Ultimate Quiz On Chemistry For 10th Grade

10 Questions | Total Attempts: 125

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The Ultimate Quiz On Chemistry For 10th Grade

The word atom comes from the ancient Greek word atomos meaning unsplittableor uncuttable. A philospher called Democrites carried out a thought experiment. He imagined taking a piece of rock and hitting it with a hammer. That's enough history, let's do Chemistry!


Questions and Answers
  • 1. 
    The numbers in the options below represent the masses of the three sub-atomic particles. Pick the correct combination.
    • A. 

      Proton 1 Neutron 0 Electron 1

    • B. 

      Proton 0 Neutron 1 Electron 1

    • C. 

      Proton 1 Neutron 1 Electron 0

    • D. 

      Proton 1 Neutron 1 Electron 1

  • 2. 
    The numbers in the options below represent the masses of the three sub-atomic particles. Pick the correct combination.
    • A. 

      Proton 1 Neutron 0 Electron 1

    • B. 

      Proton 0 Neutron 1 Electron 1

    • C. 

      Proton 1 Neutron 1 Electron 0

    • D. 

      Proton 1 Neutron 1 Electron 1

  • 3. 
    The electrons are found...
    • A. 

      In the nucleus of the atom

    • B. 

      In orbit around the outside of the nucleus

    • C. 

      Dotted throughout the atom

    • D. 

      In lines radiating out from the nucleus

  • 4. 
    The neutrons of an atom are found...
    • A. 

      In the nucleus of the atom

    • B. 

      In orbit around the outside of the nucleus

    • C. 

      Dotted throughout the atom

    • D. 

      In lines radiating out from the nucleus

  • 5. 
    Carbon has two isotopes. These atoms have...
    • A. 

      The same number of protons, but different numbers of electrons

    • B. 

      The same number of electrons, but different numbers of protons

    • C. 

      The same number of protons, but different numbers of neutrons

    • D. 

      The same number of neutrons, but different numbers of electrons

  • 6. 
    If an element has 56 protons, 56 electrons and 81 neutrons, what is its mass number?
    • A. 

      56

    • B. 

      81

    • C. 

      137

    • D. 

      112

  • 7. 
    The protons of an atom are found...
    • A. 

      In the nucleus of the atom

    • B. 

      In orbit around the outside of the nucleus

    • C. 

      Dotted throughout the atom

    • D. 

      In lines radiating out from the nucleus

  • 8. 
    Pick the correct combination for the charges of sub-atomic particles.
    • A. 

      Proton +ve Neutron 0 Electron -ve

    • B. 

      Proton 0 Neutron +ve Electron -ve

    • C. 

      Proton +ve Neutron -ve Electron 0

    • D. 

      Proton 0 Neutron 0 Electron -ve

  • 9. 
    The atomic number of an element is 11 and its mass number is 23. Pick the correct combination of protons, neutrons and electrons.
    • A. 

      P=12, n=12, e=11

    • B. 

      P=11, n=11, e=12

    • C. 

      P=12, n=11, e=11

    • D. 

      P=11, n=12, e=11

  • 10. 
    The mass number of an element tells us...
    • A. 

      The number of neutrons in the nucleus

    • B. 

      The number of electrons orbiting the nucleus

    • C. 

      The number of protons orbiting the nucleus

    • D. 

      The number of electrons in the nucleus

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