IBSL Chemistry Topic 3 Periodicity Multiple Choice Questions

13 Questions | By Ssamreth | Last updated: Mar 22, 2022 | 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)