The atomic radii decreases by increasing atomic number in________________?

Related Mcqs:

1. In a group, atomic radii increase due to successive increase of _________ ?

   A. Electronic shells
   B. Proton shells
   C. Neutron shells
   D. Nucleus

   Submitted by: Rashid Mehmood

2. The property which increases upto group IV-A then decreases on wards_______________?

   A. Ionization energy
   B. Atomic radii
   C. Melting & boiling points
   D. Atomic volume

3. The atoms of same element having same atomic number but different mass number are called____________________?

   A. Isobars
   B. Isomers
   C. Isotopes
   D. Isotropes

4. True increasing order of acidity of the oxides of Mn is_________________?

   A. MnO < MnO2 < Mn2O7
   B. Mn2O7 > MnO2 > MnO
   C. MnO2 > MnO > Mn2O7
   D. MnO2 > Mn2O7 > MnO

5. Metallic crystals are soluble in________________?

   A. Polar solvent
   B. Non polar solvent
   C. Fused metal
   D. None

6. For the measurement of standard electrode potential Zn is dipped in________________?

   A. 1 M ZnO solution
   B. 1 M ZnSO4 solution
   C. 1.5 M ZnSO4 solution
   D. 0.1 M ZnSO4 solution

7. Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in________________?

   A. The presence of Oxygen
   B. The presence of Hydrogen
   C. The absence of Oxygen
   D. The presence of excessive Oxygen

8. When water freezes at 0°C its density decreases due to_______________?

   A. Change of bond angles
   B. Cubic structure of ice
   C. Empty space present in the structure of ice
   D. Change of bond length

9. In a period the atomic radius ?

   A. Increases
   B. Decreases
   C. Remain same
   D. First decreases then increases

10. Actinides are the elements with atomic number from:

    A. 97 to 104
    B. 101 to 115
    C. 89 to 103
    D. 36 to 43

    Submitted by: Fahad Mehsud