The shielding Effect across the period __________?

Related Mcqs:

1. Shielding effect across the period ________________?

   A. Increases
   B. Decreases
   C. Constant
   D. None

2. Shielding effect across the period_________________?

   A. Increases
   B. Decreases
   C. Can not be predicted
   D. Remains constant

3. Greater shielding effect corresponds to ionization energy value___________________?

   A. Greater
   B. Lesser
   C. Remain same
   D. No effect

4. Across short period the melting and boiling point increase upto __________________?

   A. IIIA group
   B. IVA group
   C. VA group
   D. VIA group

5. What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ?

   A. Radium dating
   B. Uranium dating
   C. Carbon dating
   D. Deuterium dating

   Submitted by: Abid Hussain

6. Pollutants have adverse effect over_________________?

   A. Biosphere
   B. Ecosystem
   C. Both a & b
   D. Hydrosphere

7. Which of the following shows inert pair effect ?

   A. boron
   B. carbon
   C. silicon
   D. tin

8. Which of the following orbitals has maximum penetration effect?

   A. S
   B. P
   C. d
   D. f

   Submitted by: Muhammad Ali Kunbhar

9. Electromeric effect is ____________?

   A. Permanent effect
   B. Operate due to electronegativity difference
   C. temporary effect
   D. None of the above

   Submitted by: Aneela shabbir

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

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