Modern periodic table has been divided in ___________ blocks?

Related Mcqs:

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

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

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

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

3. 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

4. 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

5. 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

6. 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 ?

   A. The nature of its oxides
   B. The charge on its ions
   C. The formula of its oxide
   D. Its number of isotopes

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

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

8. 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

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

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

   Submitted by: Ali Jan

10. Which of the elements do not fall in stair case of the modern periodic table__________________?

    A. Si
    B. As
    C. Te
    D. None of the above