Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

Related Mcqs:

1. Best position of hydrogen in the periodic table is above I.A Group which is mainly due to_______________?

   A. Both are electropositive
   B. Similar outer most shell electronic configuration
   C. Both form ionic compounds
   D. All

2. In whole Periodic Table which element Is Most Reducing Agent ?

   A. Chlorine
   B. lithium
   C. Helium
   D. Neon

   Submitted by: Ali Jan

3. Which one of the following element has highest oxidation state in its compounds ?

   A. Cr
   B. Mn
   C. Sn
   D. O

4. Elements in the same vertical group of the periodic table have same_______________?

   A. Number of valence electrons
   B. Atomic number
   C. Atomic mass
   D. Atomic volume

5. Periodic table provides a basic framework to study elements with respect to their__________________?

   A. Physical properties
   B. Chemical properties
   C. Properties of their compounds
   D. All

6. In modern periodic table all the leements are arranged in ascending order of__________________?

   A. Valency
   B. Atomic mass
   C. Atomic number
   D. Valence electrons

7. The scientist who did not contribute in the construction of periodic table ?

   A. Al-Razi
   B. Moseley
   C. Dobereiner
   D. Democritus

8. The longest period in the modern periodic table is___________________?

   A. 6th
   B. 7th
   C. 2nd and 3rd both
   D. 5th

9. Modern periodic table has been divided in ___________ blocks?

   A. 2
   B. 4
   C. 8
   D. 7

10. Which one of the following pairs shown diagonal relationship in the periodic table ?

    A. Sodium and Lithium
    B. Lithium and magnesium
    C. Lithium and beryllium
    D. Boron and Beryllium