IBSL Chemistry Topic 3 Periodicity Multiple Choice Questions

13 Questions | Total Attempts: 1525

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  • 1. 
    For which element are the group number and the period number the same?
    • A. 

      Li

    • B. 

      Be

    • C. 

      B

    • D. 

      Mg

  • 2. 
    Which properties of Period 3 elements increase from sodium to argon: I. nuclear charge II. atomic radius III. electronegativity
    • A. 

      I and II only

    • B. 

      I and III only

    • C. 

      II and III only

    • D. 

      I, II and III

  • 3. 
    Which pair of elements reacts most readily?
    • A. 

      Li + Br2

    • B. 

      Li + Cl2

    • C. 

      K + Br2

    • D. 

      K + Cl2

  • 4. 
    Which of the reactions below occur as written?
    • A. 

      I only

    • B. 

      II only

    • C. 

      Both I and II

    • D. 

      Neither I and II

  • 5. 
    In the periodic table, the elements are arranged in order of increasing
    • A. 

      Atomic number

    • B. 

      Atomic mass

    • C. 

      Number of valence electrons

    • D. 

      Electronegativity

  • 6. 
    Which one of the following series is arranged in order of increasing value?
    • A. 

      The first ionization energies of: oxygen, fluorine, neon

    • B. 

      The radii of: H- ion, H atom, H+ ion

    • C. 

      The electronegativities of: chlorine, bromine, iodine

    • D. 

      The boiling points of: iodine, bromine, chlorine

  • 7. 
    Which property increases with increasing atomic number for both the alkali and the halogens?
    • A. 

      Ionisation energies

    • B. 

      Melting points

    • C. 

      Electronegativities

    • D. 

      Atomic radii

  • 8. 
    Which set of reactants below is expected to produce the most vigorous reaction?
    • A. 

      Na(s) + Cl2(g)

    • B. 

      K(s) + Cl2(g)

    • C. 

      Na(s) + Br2(g)

    • D. 

      K(s) + Br2(g)

  • 9. 
    Which one of the following statements about the halogen group is correct?
    • A. 

      First ionization energies increase from F to I.

    • B. 

      Fluorine has the smallest tendency to be reduced

    • C. 

      Cl2 will oxidize I- (aq)

    • D. 

      I2 is a stronger oxidizing agent than F2

  • 10. 
    Strontium is an element in Group 2 of the Periodic Table with atominc number 38. Which of the following statements about strontium is NOT correct?
    • A. 

      Its first ionization energy is lower than that of calcium

    • B. 

      It has two electrons in its outermost energy level

    • C. 

      Its atomic radius smaller than magnesium

    • D. 

      It forms a chloride with the formula SrCl2

  • 11. 
    Which one of the following elements has the lowest first ionization energy?
    • A. 

      Li

    • B. 

      Mg

    • C. 

      Na

    • D. 

      Al

  • 12. 
    Which element is most similar chemically to the element with 14 electrons?
    • A. 

      Al

    • B. 

      Ge

    • C. 

      As

    • D. 

      P

  • 13. 
    0.01 mole samples of the following oxides were added to separate 1 dm^3 portions of water. Which will produce the most acidic solution?
    • A. 

      Al2O3(s)

    • B. 

      Na2O(s)

    • C. 

      SiO2(s)

    • D. 

      SO3(g)

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