Quiz Over Atomic Structure Of An Atom

10 Questions | Total Attempts: 53

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Atomic Structure Quizzes & Trivia

A quiz to assess your understanding.


Questions and Answers
  • 1. 
    An atom has 6 protons. How many electrons does it have?
    • A. 

      8

    • B. 

      4

    • C. 

      6

    • D. 

      0

  • 2. 
    What particles are found in a nucleus of an atom?
    • A. 

      Protons only

    • B. 

      Neutrons only

    • C. 

      Electrons, protons and neutrons

    • D. 

      Protons and neutrons

  • 3. 
    An ion M2+ contains 12 protons. The electronic configuration in the atom M is
    • A. 

      [Ne]

    • B. 

      [Ne]3s2

    • C. 

      [He]3s2

    • D. 

      [Ne]3p2

  • 4. 
    Which of these statements correctly describes an electron shell with the principal quantum shell n=2?1  A total of 8 electrons can be accomodated in this shell.2  An orbital in this shell may be either sperical or dumb-bell in shape.3  Electrons occupy its orbitals starting with that of lower energy first.
    • A. 

      1,2 and 3 are correct.

    • B. 

      1 and 2 only are correct

    • C. 

      2 and 3 only are correct

    • D. 

      1 only is correct

  • 5. 
    What is the proton number of an element that has 3 unpaired electrons in its ground state?
    • A. 

      14

    • B. 

      16

    • C. 

      15

    • D. 

      26

  • 6. 
    What is the shape of a p orbital?
    • A. 

      Peanut

    • B. 

      Figure of 8

    • C. 

      Hour glass

    • D. 

      Dumb-bell

  • 7. 
    The first seven ionization energies of an element are as follows (in kJ/mol):790, 1600, 3200, 4400, 16100, 19800, 23800What is the likely proton number of this element?
    • A. 

      1

    • B. 

      6

    • C. 

      8

    • D. 

      9

  • 8. 
    Which of the following particle is isoelectronic with the ion formed by a magnesium atom?
    • A. 

      Oxygen atom

    • B. 

      LiF

    • C. 

      Si

    • D. 

      Oxide ion

  • 9. 
    Which property is the same for the two atoms 40Ar and 40K?
    • A. 

      The number of electrons

    • B. 

      The number of neutrons

    • C. 

      The number of nucleons

    • D. 

      The number of protons

  • 10. 
    Which of the following elements has the highest first ionization energy?
    • A. 

      Carbon

    • B. 

      Oxygen

    • C. 

      Sodium

    • D. 

      Sulfur

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